how old is the earth

Answers

Answer 1
4.543 billion years. Hopes this helps!

Related Questions

Which of the following does NOT contribute to the formation of precipitation?

Question 2 options:

evaporation


steep slopes for runoff


solar energy


cold temperatures in the upper atmosphere

Answers

Answer:

cold temperatures in the upper atmosphere

Cystic fibrosis of the pancreas is an inherited trait caused by faulty metabolism o
fats. Affected homozygotes produce a much higher concentration of chlorides in
their sweat than normal homozygotes. Heterozygotes have an intermediate chlo
ride concentration and live a normal life span. A couple planning marriage decide
to have a sweat test because a brother of the man died in infancy from the disorder
The test show the man to be heterozygous and the woman homozygous normal
What is the probability of their having a child (a) with cystic fibrosis (b) who is a
camer of the cystic fibrosis gene?

Answers

The probabilities  probability of their having a child  with cystic fibrosis who is a camer of the cystic fibrosis gene are

(a) 50% chance of having a child with cystic fibrosis (cf cf).

(b) 50% chance of having a child who is a carrier of the cystic fibrosis gene (Cf cf).

Cystic fibrosis explained.

Cystic fibrosis (CF) is a genetic disorder that affects the respiratory, digestive, and reproductive systems. It is caused by mutations in the CFTR gene, which provides instructions for making a protein that regulates the movement of salt and water in and out of cells.

This problem can be solved using Punnett squares to predict the possible outcomes of the mating.

First, we need to determine the genotypes of the parents:

The man is heterozygous (CfCf), meaning he carries one normal allele (Cf) and one cystic fibrosis allele (cf).

The woman is homozygous normal (CfCf), meaning she carries two normal alleles.

Using these genotypes, we can construct a Punnett square:

  | C f

---|---

Cf | CfCf Cf cf

Cf | CfCf Cf cf

From this Punnett square, we can see that:

There is a 50% chance of the offspring inheriting a normal allele from each parent (CfCf), making them homozygous normal.

There is a 50% chance of the offspring inheriting a cystic fibrosis allele from the father (cf), and a normal allele from the mother (Cf), making them a carrier (Cf cf) like their father.

There is a 0% chance of the offspring inheriting two cystic fibrosis alleles, as the mother does not carry any cystic fibrosis alleles.

Therefore, the probabilities of the outcomes are:

(a) 50% chance of having a child with cystic fibrosis (cf cf).

(b) 50% chance of having a child who is a carrier of the cystic fibrosis gene (Cf cf).

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3.2.1 Lab: Investigating Natural Selection
Lab Biology semester 2 10th grade
Please help me with this assignment thank you

Answers

Explanation:

the defenation of insects

___ develop where an oceanic lithosphere plate bends downward and sinks beneath another tectonic plate, into the asthenosphere

Answers

Subduction zones. The leading edge of other plates pushes aside more dense oceanic lithosphere. The temperature differential between slab and surrounding asthenosphere is what causes slab to sink.

The mantle is recycled in subduction zones, where the cold oceanic lithosphere lowers. When the less dense lithosphere of one plate converges with the oceanic lithosphere of another plate, this is known as a convergent plate boundary.

Because the hot, ductile layer in the upper mantle beneath the cold, rigid lithosphere is slightly denser than the underlying asthenosphere, subduction is made possible. After it has begun, steady subduction is primarily propelled by the dense subducting lithosphere's negative buoyancy. Under the weight of the mantle, the slab largely sinks into it.

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What does it mean to "eat lower on the food chain"?

Question 40 options:

Avoiding processed foods containing GMO ingredients


Only buying organic produce farmed using the most sustainable practices


Reducing consumption of animal products in favor of more plant products


Eating an exclusively vegan diet that excludes all animal products

Answers

If you consume there at bottom in the food chain, you consume mainly plant matter, whereas if you eat at the top, you consume primarily animal matter.

What could it mean for "eat low here on food chain" mean?

Consuming food that really is low just on food web or having a flower lifestyle lessens the demand for resources and is extremely good for the environment. One supper without any meat may save you money on food, electricity and power.

Is eating lower just on food web preferable?

Because animal had substantially bigger earth and water footprint than vegetables, feeding higher here on food supply chain is more detrimental to the environment than eating low on the food chain items like fruits and vegetables.

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Part E Create a graph to compare the actual temperature changes over time using your spreadsheet. The steps involved in creating your graph will be different depending on your software. For most platforms, it’s necessary for the two columns you’re correlating to be next to each other. Use the cut, copy, and paste features to relocate the anomaly values so that the actual temperatures are in column B next to the years in column A. Highlight columns A and B. From the menu, choose Insert and select the graph or chart type you decided on in part D. If needed, update the graph and axis labels so that it is easy to tell what the graph is displaying. Capture and save an image of your graph. Use the insert Image button to add the image to the answer space.

Answers

In most spreadsheet programmes, you may create a graph by selecting the two columns you want to display as a graph, choosing a type of graph, changing the labels, taking a fingerprinting, saving it, and then entering it into the answer field.

Does the link between pressure and temperature exist?

We discover that pressure and temperature are inversely proportional to each other when the temperature is on the kelvin scale (again, when volume and moles of gas are held constant).

What is the connection between temperature and pressure, and why?

Investigate the relationship between the temperature of a gas and the pressure it exerts on its container. This is also known as Amontons' Law of Pressure-Temperature or Gay-Law. Lussac's Whenever a gas's temperature rises.

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Human skin has undergone many adaptations to help humans survive in different environments. What are the 2 main issues that need to be balanced?

Answers

[tex]\blue{\huge {\mathrm{HUMAN \; SKIN \; ADAPTIONS}}}[/tex]

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[tex]{\underline{\huge \mathbb{Q} {\large \mathrm {UESTION : }}}}[/tex]

Human skin has undergone many adaptations to help humans survive in different environments. What are the 2 main issues that need to be balanced?

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[tex] {\underline{\huge \mathbb{A} {\large \mathrm {NSWER : }}}} [/tex]

The two main issues that need to be balanced in human skin adaptations are the need for protection against harmful environmental factors (such as UV radiation, extreme temperatures, and injuries) and the need for efficient thermoregulation (maintaining a stable body temperature). The skin has evolved to perform both of these functions through various adaptations, such as the production of melanin to absorb UV radiation, the ability to sweat to cool the body, and the development of insulation in colder environments.

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Protection from harmful environmental factors (such as UV radiation, extreme temperatures, and injuries) and effective thermoregulation are the two primary concerns that need to be managed in human skin adaptations. (maintaining a stable body temperature). Through a variety of adaptations, including the production of melanin to absorb UV rays, the capacity to perspire to cool the body, and the creation of insulation in colder environments, the skin has evolved to accomplish both of these tasks.

This dung beetle (genus Scarabaeus) is burying a ball of dung it has collected from a large mammalian herbivore in Kenya. Explain why this process is important for the cycling of nutrients and for primary production.

Answers

Explanation: The process is crucial for primary production and nutrient cycling as the dung comprises several organic molecules and nutrients that are important for the growth of plants.

By burying the dung, the beetles return the nutrients to the soil, where plants absorb it and use it for growth.

Many countries generate their electricity using renewable energy resources such as wind turbines and solar panels.

i). Predict the effect of using renewable energy resources, rather than fossil fuels, on the carbon cycle .

ii). Explain the reason for your prediction.

Answers

i) Using renewable energy resources instead of fossil fuels will have a positive impact on the carbon cycle. This is because burning fossil fuels releases large amounts of carbon dioxide, a greenhouse gas, into the atmosphere, contributing to climate change. In contrast, renewable energy sources such as wind and solar do not produce carbon dioxide emissions during their operation.

ii) The reason for this prediction is that the use of renewable energy sources reduces the amount of carbon dioxide released into the atmosphere. This, in turn, reduces the amount of carbon that is available for absorption by terrestrial and marine ecosystems. This can lead to an overall reduction in carbon cycling between the atmosphere, oceans, and land, and ultimately contribute to slowing down the process of climate change. Additionally, the use of renewable energy resources can also help to reduce the pollution of air and water caused by fossil fuel extraction and transportation, which can have negative impacts on the carbon cycle and ecosystem health.

In the practice of science, how is the accuracy of a scientific claim evaluated? (Muli choice)
A.) by carefully gathering and analyzing a variety of opinions from the public
B.) by critically considering alternative scientific claims or explanations
C.) by testing the claim's predictions in a controlled setting
D.) by repeating the experiments that led to the claim being made

I was thinking B and C however I want to be sure.

Answers

I think the answer is C

Use the desert picture below to answer the question.
Which factor most likely limits the desert's carrying capacity for plant life?
A-The number of herbivores
B-The amount of sunlight
C-The availability of water
D-The availability of land

Answers

C- The availability of water most likely limits the desert's carrying capacity for plant life. Deserts are characterized by low and unpredictable rainfall, resulting in limited water availability for plant growth. Without sufficient water, plants cannot survive or thrive in the desert environment. While the number of herbivores, amount of sunlight, and availability of land may also play a role in limiting plant life in the desert, water is typically the most critical limiting factor.

Compare and contrast Capsids of Complex Symmetry versus Helical Capsids.

Answers

Complex capsid symmetry shapes are characterized by a capsid that is neither exclusively helical nor exclusively icosahedral and may include additional structures like protein tails or complex outer walls.

Why does the capsid have helical symmetry?

Both helical symmetry and icosahedral symmetry are basic principles for how virus capsids self-assemble. In helical symmetry, the nucleic acid and protein subunits are arranged in a helix, and in icosahedral symmetry, the protein subunits form a symmetric shell that encloses the nucleic acid-containing core.

How does complex symmetry work?

complicated symmetry Complex viruses have a characteristic shape; they cannot be classified as helical or icosahedral; they are made up of numerous different components called capsomeres, each of which has a unique shape and symmetry. Examples include the poliovirus and bacteriophage.

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Is cultural appropriation always a bad thing? Why or why not?

Answers

Answer:

Cultural appropriation can be complex and controversial, and opinions vary on whether it is always a bad thing. Cultural appropriation occurs when elements of one culture are taken and used by members of another culture without permission, acknowledgment, or respect for the source culture.

While some instances of cultural appropriation are harmful and disrespectful, not all cases are inherently negative. Cultural exchange and sharing of cultural traditions and practices can be positive and enriching for all involved. For example, many musical genres, such as jazz, rock and roll, and hip-hop, have evolved by blending and fusing different cultural styles and influences.

However, cultural appropriation can be harmful and disrespectful when cultural elements are taken out of context, misrepresented, or used in a way that perpetuates harmful stereotypes or disrespects the culture of origin. It can also perpetuate power imbalances between dominant and marginalized cultures and contribute to the erasure of the contributions and experiences of marginalized groups.

Ultimately, whether the cultural appropriation is always a bad thing depends on the context and the intentions behind the use of cultural elements. It is vital to approach cultural exchange with respect, sensitivity, and willingness to learn and understand the cultural context and history behind shared practices and traditions.

A purebred pet results from which of the following types of mating?

Responses

two separate breeds bred through artificial selection, mating only individuals known to be free from disease

two of the same breed bred through artificial selection, mating only members of the same breed for many generations

two of the same breed bred through designer breeding, mating members of two separate breeds until their offspring begin to look alike

two separate breeds bred through selective breeding, mating only individuals who look very much alike

Answers

A purebred pet results from the following types of mating :  two of same breed bred through artificial selection, mating only members of same breed for many generations.

What is meant by the term mating?

In biology, mating is the pairing of organisms that are hermaphrodites or opposite sexes for the goal of sexual reproduction.

A purebred pet results from two of the same breed bred through artificial selection, mating only members of same breed for many generations.

This is known as inbreeding, which helps them to ensure that desirable traits are consistently passed down from one generation to the next. Purebred pets are often bred for specific physical and behavioral characteristics that are associated with the breed.

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Answer:  The correct answer is two of the same breed bred through artificial selection, mating only members of the same breed for many generations

Explanation:  This answer has been confirmed correct.

Purebred breeds are procreated by mating only members of the same breed for consecutive generations.

Use the drop-down menus to complete each statement about how science affects decisions.

In 1984, New York passed a law requiring people to wear seat belts. This is an example of a
-level decision influenced by science and technology.

In 1963, the Clean Air Act was enacted. This is an example of science and technology influencing decisions at the
level.

Answers

Answer:

A)

In 1984, then-Governor Mario Cuomo signed legislation that made New York the first state in the US to implement a mandatory seatbelt law. However, this law only required the driver and front passenger in a motor vehicle to wear a seatbelt.

B)

The Clean Air Act gives the Environmental Protection Agency the necessary tools to protect our families from a number of harmful pollutants that can cause asthma and lung disease – especially in children. Weakening these standards would allow more pollution in the air we breathe and threaten our children's health.

STUDY WELL!

what is phenotype of parent 2?
what kind of cross does this figure describe?

Answers

the phenotype of parent 2 is positive.

n pea plants, the gene for the color of the seed has two alleles. In the Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green.

Punnett Square showing a grid that is blank with 4 empty boxes, two columns and two rows. The female parent plant across the horizontal side, top, of the grid indicates a yellow phenotype and a genotype of Yy. The male parent plant along the vertical side of the grid indicates a yellow phenotype and a genotype of YY.

Based on the Punnett square, what percentage of offspring would have genotype YY?

0%
25%
50%
100%

Answers

None of the progeny would have a gene of YY, according to the Punnett square. The genotypes of the parents are Yy for the female parent and YY for the male parent. The male parent's potential gametes are Y and Y, and the female parent's potential gametes are Y and Y.

These gametes can result in children with either the YY or the Yy genotype. Punnett's square, however, demonstrates that each child will have the genotype Yy and none will have the genotype YY. Consequently, 0% of the children have the genotype YY.

Punnett's square

The potential results of a DNA cross between two people are visualized using a Punnett square. It is called after British geneticist Reginald Punnett, who created the idea in the early 20th century.

Each of the four spaces that make up the square represents a potential allele combination from each parent. Along the upper and left sides of the square, the alleles are listed.

Along the upper and left sides of the square are lists of the potential gametes from each parent. The potential genotype of the offspring arising from the fusion of the two gametes is represented by the box where each row and column intersect.

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Answer:

0 %

Explanation:

Please help with this biology question! Photo is added of the problem.

(My account says I’m in college but I’m in high school, not sure how to change that, sorry for the misunderstanding!!)

Answers

1) Change of the nucleotide at position 10 from G to A ; 2) A U G U G G A A C C C U G C U G A 3) Methionine - Tryptophan - Asparagine - Proline - Arginine - Leucine - Serine - Leucine - Cysteine ; 4) Depend on location of mutation within the gene ; 5) Substitution.

What is mutation?

Change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA is referred to as a mutation.

1) The mutation in the sequence is the change of the nucleotide at position 10 from G to A.

2) The mRNA sequence for the mutated DNA sequence will be: A U G U G G A A C C C U G C U G A

3) The amino acid sequence for the above mRNA sequence is: Methionine - Tryptophan - Asparagine - Proline - Arginine - Leucine - Serine - Leucine - Cysteine

4) The effect on the protein will depend on the location of the mutation within the gene and the specific amino acid change that results from the mutation. Some mutations can have no effect on the protein, while others can cause the protein to be non-functional or partially functional. In this case, it is difficult to predict the effect without more information.

5) The mutation is a substitution because only one nucleotide has been changed. Specifically, it is a missense mutation because it changes the amino acid sequence of the resulting protein.

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where do plants get the energy needed to produce new leaves in the spring after losing their leaves in the fall?​

Answers

Trees and other plants use the sun's energy to produce a kind of carbohydrates in their needles that serves as the tree's food. Photosynthesis is the name of this process.

what causes plants to start growing leaves again?

Trees can tell when spring is approaching in two different ways. They react initially to days that are substantially warmer following a period of cold weather in the winter. In the same timing, they respond to a shift in the length of the day when longer days and fewer hours of darkness encourage new developments and growth.

Without leaves, how do plants receive their energy?

Cacti are examples of plants that lack leaves in the conventional sense. In reality, their spines are modified leaves the body's cells or stem Consequently, photosynthesis enables plants like cactus to take in and transform solar energy.

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Help in less then 5 minutes! 20 points!
(07.06 MC)

Which of the following best describes an example of a specific immune response to infectious agents? (1 point)

a Antibodies bind to antigens on the infectious agents, which are then destroyed by lymphocytes.

b Phagocytes surround the infectious agents, and then engulf and destroy them.

c The infectious agents cause the body to release histamine, which causes inflammation and swelling.

d Sweat creates an acidic environment, which prevents reproduction of the infectious agents.

Answers

a is the best answer. That process is the natural process of the immune system. When a virus gets into your body, the immune system rapidly produces antibodies to bind and destroy the virus. Better still, after the virus is controlled, there are still antibodies that float around to kill any other similar virus that gets into your body.

1. A normal woman marries a man with sickle-cell trait. What is the probability of their
nga (a) child with sickde-cell trait, (b) normal child, (c) child with sickle cel anemia?
2. A normal individual, receives a blood transfusion from a person with sickle-cell trai
Would the sickle-cell trait be transmitted to the recipient? Explain.

Answers

Answer:

Explanation:

Sickle cell trait is an autosomal recessive genetic disorder caused by a mutation in the HBB gene that codes for the beta-globin subunit of hemoglobin. A person with sickle cell trait inherits one normal copy and one mutated copy of the HBB gene, while a person with sickle cell anemia inherits two copies of the mutated gene.

The probability of their child having sickle cell trait, normal, or sickle cell anemia can be calculated using Punnett square analysis:

HbA (normal) HbS (sickle cell trait)

HbA HbA HbA (normal) HbA HbS (sickle cell trait)

HbS HbA HbS (sickle cell trait) HbS HbS (sickle cell anemia)

a) The probability of the child having sickle cell trait (HbA HbS) is 50%.

b) The probability of the child being normal (HbA HbA) is 25%.

c) The probability of the child having sickle cell anemia (HbS HbS) is 25%.

No, the sickle cell trait would not be transmitted to the recipient through a blood transfusion. Sickle cell trait is not contagious and cannot be transmitted through blood transfusions, organ transplants, or other forms of casual contact. The transfused blood will carry the donor's hemoglobin, but it will not change the recipient's genetic makeup or cause them to develop sickle cell trait. However, if the recipient has a child with a partner who has sickle cell trait or sickle cell anemia, there is a chance that their child may inherit the disorder.

*URGENT PLEASE HELP FAST*

Read each of the sentences describing modern primates. Then place each statement into the correct box.

See attachment below

Answers

Old World monkeys and great apes: They live in Africa and Asia. They lack a prehensile tail but have an opposable thumb and a large brain.Lemurs and lorises: They live in Africa, Asia, or Madagascar. These are small, nocturnal animals with long snouts and large eyes for night vision.Tarsiers: These animals have broad faces, widely separated nostrils, and they live an arboreal, nocturnal way of life.New World monkeys: They live in Central and South America. These animals have long, flexible arms and long prehensile tails to help them swing from branch to branch in the trees.

What is modern primates?

Modern primates are a group of animals that include lemurs, lorises, tarsiers, monkeys, and apes. They are characterized by features such as opposable thumbs, forward-facing eyes, and large brains relative to their body size.

Modern primates are found in Africa, Asia, Madagascar, and Central and South America, and they exhibit a wide range of behaviors and adaptations to their environments.

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Fill in the following phrases on the image above: glucocorticoids secreted, mineralocorticoids secreted, epinephrine & norepinephrine secreted, sympathetic nervous system activated, adrenal cortex stimulated, adrenal medulla stimulated, anterior pituitary activated, cardiovascular and respiratory system react to increase energy, kidneys retain water and cause increased blood pressure, fat and muscle break down to increase energy

Answers

Long-term stress are glucocorticoids secreted, mineralocorticoids secreted, adrenal cortex stimulated, anterior pituitary activated.

What is stress?

Stress is a physiological and psychological reaction to a feared or difficult situation. It is a normal and necessary response that gets the body ready to handle circumstances that call for more focus or action, such a physical threat or a job deadline.

Short-term stress are epinephrine & norepinephrine secreted, sympathetic nervous system activated, adrenal medulla stimulated, cardiovascular and respiratory system react to increase energy, kidneys retain water and cause increased blood pressure, fat and muscle break down to increase energy.

The adrenal cortex, pituitary gland, and hormone release are mentioned in connection with the long-term stress response, which denotes a more enduring reaction to stress. In contrast, the words used to describe the short-term stress response refer to the sympathetic nervous system being activated and the release of hormones like adrenaline and norepinephrine, which indicate a quicker, more immediate reaction to stress.

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2. Colorblindness is a recessive trait. A man is colorblind. He mates with a woman that is a carrier of the trait.
What are the possibilities of their children being colorblind? B- Normal vision b-Colorblind
female
male
1.
3.
2.
J
Parent Genotypes: Male_
1
2
3
4
Genotypes
Female
Phenotypes

Answers

Among the chances that their offspring will be colorblind are: 50 % of having normal vision (genotypes BB or Bb), having a 50% probability of being colorblind (genotype bb).

What are genotypes?

Genotypes are the various alleles (different gene forms) that a person inherits from their parents, which together make up their unique genetic profile. Each gene regulates a certain trait or quality, and the genotype of the person for that quality is determined by the mix of inherited alleles.

How do you determine it?

We may construct a Punnett square using the provided data to identify potential genotypes and traits of the progeny:

     | B    b

    --|---------

   B | BB   Bb

    --|---------

   b | Bb   bb

The male father in this Punnett square has the genotype bb since he is colorblind. The genotype of the female parent who carries the characteristic is Bb.

There are two potential genotypes for the offspring: BB, Bb, and bb, as shown by the Punnett square.

Due to the presence of two dominant alleles for normal eyesight, this genotype would produce a child with normal vision.

Bb: Because they carry one dominant allele for normal vision and one recessive gene for colorblindness, this genotype would produce a child who is a carrier of the trait but has normal vision.

A child with this genotype would be colorblind since they carry two recessive colorblindness genes.

These are some scenarios in which their children might be colorblind:

Probability of having normal vision is 50% (genotypes BB or Bb)

50% likelihood of color blindness (genotype bb).

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Which of the following is the first step in a balance training progression?

Answers

The first stage of a progression for balance training is static balancing exercising.

What exactly is a balance test?

Standing straight, putting your hands on your hips, lifting one foot off the ground, and maintaining that static posture for as long as you can without letting your hands leave your hips or allowing your foot hit the ground is how to take this test.

What is the balance training method?

Exercises for balance training include strengthening your legs and core, two muscles that are important for maintaining your balance. These exercises can help prevent falls by improving stability. Balance exercises can be challenging, much like some of the most challenging yoga positions.

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Question:

Which of the following is the first step in a balance training progression?

A. Dynamic balance exercises

B. Perturbation training

C. Sport-specific balance training

D. Static balance exercises

Mr. B is a 75 year-old diabetic patient who underwent a prolonged abdominal surgery 24 hours ago. You perform an assessment and identify a stage 1 pressure injury on his heel. Which of the following assumptions can make about the insult that likely gave rise to the pressure injury?
A. Prolonged surgery does not place patients at risk for pressure injuries.
B. The insult was likely due to sensory neuropathy associated with diabetes, and not associated with his hospital stay.
C. It is most likely that the initial insult occurred during surgery.
D. A or B

Answers

DAnswer:D

Explanation:

Which of the following would provide best evidence that the trait is dominant

Answers

Answer:

In genetics, a trait is considered dominant when it is expressed in the phenotype of a heterozygous individual, meaning that it only requires one copy of the dominant allele to be expressed. On the other hand, a recessive trait is only expressed when both copies of the allele are present in the individual's genotype.

To provide the best evidence that a trait is dominant, we would need to observe the trait in the phenotype of all individuals who carry at least one copy of the dominant allele. This means that if an individual has one dominant allele and one recessive allele, they should still show the dominant trait in their phenotype.

In practice, this could be demonstrated through a series of crosses between individuals with known genotypes. If the offspring of a cross between a homozygous dominant individual and a heterozygous individual all show the dominant trait, this would be strong evidence that the trait is dominant. Similarly, if the offspring of a cross between two heterozygous individuals show the dominant trait in a 3:1 ratio, this would also support the idea that the trait is dominant.

In general, the best evidence for a dominant trait would be consistent expression of the trait in the phenotype of individuals who carry at least one copy of the dominant allele. This can be observed through controlled breeding experiments and statistical analysis of the resulting offspring.

Which body system is functioning improperly when not enough insulin is produced?

Answers

The Endocrine System

When not enough insulin is produced, the endocrine system, particularly the pancreas, is malfunctioning.

Which of these is true?
A
Both veins and arteries carry oxygen-rich blood.

B
Both veins and arteries carry oxygen-poor blood.

C
Veins carry oxygen-poor blood, and arteries carry oxygen-rich blood.

D
Veins carry oxygen-rich blood, and arteries carry oxygen-poor blood.

Answers

Answer: C. Veins carry oxygen-poor blood, and arteries carry oxygen-rich blood.

Explanation:
Arteries carry blood away from the heart, and veins carry blood towards the heart. With the exception of pulmonary blood vessels, arteries carry oxygenated blood and veins carry deoxygenated blood.

How does the scientist know that the substance goes through a change of
state during the time period labeled B on the graph?
• A. The particles start slowing down.
• B. The temperature increases gradually.
• C. The temperature remains the same.
• D. The particles start moving faster.
SUBMIT

Answers

Answer:

The temperature remains constant.

Explanation:

In a plot of temperature against time, it is easy to spot the points on the graph where a change of state is taking place.

During a change of state, the temperature does not not change with time. These are points that are plateaus on the temperature-time graph.

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Calculate the value of (-8) 2/3 which of the following best describes belady's anomaly? group of answer choices decreasing the number of available frames increases the number of page faults increasing the frame size increases the number of page faults decreasing the frame size increases the number of page faults increasing the number of available frames increases the number of page faults Determine whether the graph of the equation is symmetric with respect to the What is the total cost of a $704 tablet computer that is on sale at 13% off if the local sales tax rate is 4%?The total cost of the tablet is S(Round to two decimal places as needed.) What are the two different ways signals are transmitted through the body? Need answers asap!!! Pls and thank you! the right for an individual to know and understand all of the data-processing activities and algorithms used on their data is called Geometry. Find the value of the variable what fraction of 5 litres is 6800ml give answer as mixed number and lowest term find the equation of a line passing through the point (-1,5) and (1,-5) the introduction of airline pilots use of a laptop to perform their preflight check is an example of a(n) innovation. Harper is working two summer jobs, making $12 per hour babysitting and $8 per hour landscaping. Harper must earn no less than $140 this week. Write an inequality that would represent the possible values for the number of hours babysitting, b b, and the number of hours landscaping, l l, that Harper can work in a given week. Read the excerpt from act i of the importance of being earnest. lady bracknell. pardon me, you are not engaged to any one. when you do become engaged to some one, i, or your father, should his health permit him, will inform you of the fact. an engagement should come on a young girl as a surprise, pleasant or unpleasant, as the case may be. it is hardly a matter that she could be allowed to arrange for herself . . . wilde uses lady bracknells words to poke fun at marriage by having her:_____.a. speak unhappily of her own marriage.b. speak lovingly of her own husband. c. imply that young women do not have a choice in their own marriages. d. imply that marriages are happiest when based on romantic love. Use the given data set to complete parts (a) through (c) below. (Use a = 0.05.) x,y 10,9.138,8.13 13,8.739,8.77 11,9.25 14,8.116,6.13 4,3.1112,9.137,7.6 5,4.74A - Construct a scatterplot. B - Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. The linear correlation coefficient is r = ______? Determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. Choose the correct answer below. A- There is sufficient evidence to support the claim of a linear correlation between the two variables. B- There is insufficient evidence to support the claim of a linear correlation between the two variables. C- There is insufficient evidence to support the claim of a nonlinear correlation between the two variables. D- There is sufficient evidence to support the claim of a nonlinear correlation between the two variables. C- Identify the feature of the data that would be missed if part (b) was completed without constructing the scatterplot. Choose the correct answer below. A- The scatterplot reveals a distinct pattern that is astraight-line pattern with positive slope. B- The scatterplot reveals a distinct pattern that is not astraight-line pattern. C- The scatterplot reveals a distinct pattern that is astraight-line pattern with negative slope. D- The scatterplot does not reveal a distinct pattern. ReadyAnalyzing Development of a Theme, Part 1 - Instruction - Level HiAs Analiz and Stefanie entered the gymnasium, Analizlooped her arm through Julia's while Stefanie playfullypushed her knee into the back of Julia's leg."Hey!" Julia swatted at but missed Stefanie's arm."Yeah, be careful, Stefanie. Julia's legs are valuable,"said Analiz with a smile. Then she added, "Isn't this fairkind of a waste of time, since we're all going to Lincoln?"Stefanie nodded in agreement, and Julia swallowedhard, trying to ignore the uneasy feeling developing in herstomach."Well, we're here," said Julia, "so we might as well walkaround." She tried to sound casual, but she was excited tosee a representative from the Metropolitan PerformingArts High School. Julia let her friends walk ahead of her,and then she headed to the arts school table.Why does Julia feel uneasy?She doesn't want her friends to keepwasting her time.She doesn't want her friends to missthe school fair.She doesn't want her friends to bedisappointed in her.KO1X Can someone please tell me how the answer is A and not B? We were told that A was the answer but I still dont get how. Thank you.