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Related Questions
Marine iguanas are large lizards that live in the Galápagos Islands. They feed on algae growing on rocks at the edge of the sea. When an El Niño event occurs, the sea around the islands becomes warmer, and the algae do not grow as rapidly as they do during typical temperatures. Scientists studied the relationship between the size of male iguanas on one of the Galápagos Islands and their survival during typical temperatures or during and El Niño event. The data are shown in the graph. Based on the data, identify which size make iguanas are most affected by an El Niño event and explain the most likely cause for this size of male iguana to be affected more than other sizes.
Answers
1. The larger male Iguana are most affected by the El Nino event since it is only those above 36 cm had a massive decline in population.
2. The most likely cause of why the larger males were more affected by the El Niño event is their inability to meet their food or body requirment. Larger iguanas need more algae to sustain their body size and maintain their metabolism. When an El Niño event occurs, the reduced algae growth makes it difficult for these larger iguanas to find enough food.
What is El Nino event?
El Niño happens around the Pacific Ocean area. It is known to happen every two to seven years.
When an El Niño event happens the normal trade winds is reversed. This can cause warm water to move towards the eastern Pacific.
El Niño events can also affect ocean currents and marine life. The event can lead to fishery reduction and coral bleaching.
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8. The following is an example of what type of mutation?
DNA
ATG
mRNA
UAC
tyrosine (normal protein)
normal
a. An inversion mutation
b. A translocation mutation
c. A point mutation
d. A duplicate mutation
Answers
The given mutation is an example of a point mutation.
The correct option is C.
What is a point mutation?A point mutation is a type of genetic mutation that involves a change in a single nucleotide base within DNA.
This type of mutation can occur during DNA replication or due to environmental factors, such as exposure to radiation or certain chemicals.
Point mutations can have a variety of effects on the resulting protein that is produced from the altered DNA sequence. Some point mutations may have no effect on the protein, while others can lead to the production of a non-functional protein or a protein with altered function. Depending on the location and nature of the mutation, it may have no effect on the organism, be harmful, or even beneficial.
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Determine the speed of the cyclist between 10 and 12 hours.
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Based on the information provided in the graph, the speed between 10 and 12 hours was one kilometer per hour.
How to calculate the speed?To calculate speed using time and distance, you can use the following formula:
Speed = Distance / Time
Here's how to use this formula:
Determine the distance traveled. This can be measured in meters, kilometers, miles, or any other unit of distance.Determine the time taken to travel the distance. This can be measured in seconds, minutes, hours, or any other unit of time.Divide the distance by the time to get the speed. Make sure the units for distance and time match.Speed= 2 km / 2 hr = 1 km/hr
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HELP ILL GIVE BRAINLYIST tertiary consumer
(carnivore)
secondary consumer
(carnivore)
primary consumer
(herbivore)
producer
1 heron
10 perch
100 minnows
ll
1000 plants
Why are there very few organisms toward the top of the pyramid?
A.
Organisms at the top of the pyramid can only generate energy directly from the sun.
OB.
There is too much energy available at the top of the pyramid.
OC. There is much less energy available at the top of the pyramid.
pen by many other organisms
Answers
The correct answer is: There is much less energy available at the top of the pyramid. and i got some FYIS for you did you know that
An energy pyramid is a graphical representation of the flow of energy at each trophic level in an ecosystem. The width of each bar represents the units of energy available within each trophic level; the height is always the same. The flow of energy moves through the layers of the energy pyramid from the bottom-up, and is gradually reduced as energy is used up by the organisms at each level.
The base of the energy pyramid indicates the energy available within primary producers. Primary producers, also known as autotrophs, are organisms that make their own food by taking their energy from non-living sources of energy, such as the sun. In most cases, these are photosynthesizing plants, which use energy from the sun to create their own nutrition in the form of simple sugars.
All other levels in the energy pyramid consist of heterotrophs – organisms that obtain their nutrition from organic carbon, usually in the form of other plants and animals. The second trophic level consists of primary consumers. These are the herbivores that feed solely on primary producers. The third and fourth levels are made up of secondary consumers and tertiary consumers. These are carnivores and omnivores, which can feed on any of the lower levels, although mainly consume organisms from the trophic level directly beneath them. The top layer of the energy pyramid contains apex predators. These are mostly carnivorous animals that have no natural predators.
The pyramid shape is used to represent the flow of energy because of the way that energy is used up and lost throughout the system. The primary producers take in energy from the sun. However, only around 1% of the total available sun energy is actually absorbed into the plants; this is the GPP or the Gross Primary Productivity. Plants use photosynthesis to convert energy from the sun into chemical energy, which is stored as organic compounds such as sugars. The plants then carry out cell respiration to convert the sugars into usable energy molecules such as ATP (adenosine triphosphate). Cell respiration is a metabolic reaction that uses up around 60% of the plant’s energy, leaving around 40% of the GPP as the NPP, or Net Primary Productivity. This NPP value represents 100% of the total energy units made available for the plants to use.
The primary consumers then consume some of these plants and obtain some of their stored energy. However, not all plants are consumed by herbivores; some die or are decomposed by other organisms such as fungi and bacteria. Furthermore, not all parts of a plant are digestible by herbivores; some parts are indigestible and are excreted as waste. Moreover, herbivores also use up some of their obtained energy for their own cell respiration and other life processes such as growth, movement, and reproduction. As a result, only around 10% ofhe energy available at the plant level is transferred to the herbivore level. This is called the energy transfer efficiency, which is the ratio of energy available at one trophic level to the energy available at the next trophic level. The same process of energy loss occurs at each subsequent trophic level, as some organisms die or are not consumed, some parts are indigestible and are excreted as waste, and some energy is used up for cell respiration and other life processes. Therefore, the energy transfer efficiency is usually around 10% for each level of the energy pyramid.
This means that there is much less energy available at the top of the pyramid than at the bottom. For example, if the primary producers have 1000 units of energy, then the primary consumers will have only 100 units of energy, the secondary consumers will have only 10 units of energy, and the tertiary consumers will have only 1 unit of energy. This explains why there are very few organisms toward the top of the pyramid; there is not enough energy to support a large number of organisms at higher trophic levels. The higher the trophic level, the fewer the organisms and the larger the individual organisms tend to be.
There are very few organisms toward the top of the pyramid because there is much less energy available at the top of the pyramid. As we move up the food pyramid, energy is lost at each level due to metabolic processes, such as respiration, as well as inefficiencies in energy transfer from one level to the next. This means that there is less energy available to support higher trophic levels. As a result, there are usually fewer organisms at higher levels of the pyramid, such as tertiary consumers, compared to lower levels of the pyramid, such as producers or primary consumers. This is known as the 10% law, which states that only about 10% of the energy available at one trophic level is transferred to the next trophic level.
What is a riparian zone?
A. A zone of vegetation that borders a stream or river
B. A river that is man made
C. A river basin that flows into the ocean
D. None of the above
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Answer:
I believe it is, A) a zone of vegetation that borders a stream or river.
2. Summarize the evidence you have gathered to support your claim and explain
Microscopic organisms be so important for life on Earth
Answers
Answer:
Explanation:
to live
How are the functions of the smooth and rough ER differentiated?
Answers
Explanation:
The rough ER, studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins. Smooth ER is largely associated with lipid (fat) manufacture and metabolism and steroid production hormone production. It also has a detoxification function.
Hopefully this helps u Out! :)
Which of the following is a benefit of direct air capture technology?
O Moves carbon into the
atmosphere
O Provide carbon dioxide to crops in greenhouses
O Releasing carbon dioxide over the ozone layer
OUsing new fossil fuels for energy
Answers
The benefit of direct air capture technology is the ability to remove carbon dioxide from the atmosphere.
What does carbon dioxide do to the atmosphere?It causes a greater incidence of solar rays on the surface of the planet.It corrupts the ozone layer.Carbon dioxide is absorbed by plants during the photosynthesis process and this is important to keep the atmosphere free of this compound, but with the advancement of the use of fossil energies and intense deforestation, this compound accumulates in the atmosphere and causes various environmental problems, for this reason, using direct air capture technology can be beneficial to remove carbon dioxide from the atmosphere.
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Explain how has technology evolves, frantic expert testimony will evolve as well.
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Similarly, as new technologies emerge, expert witnesses may be called upon to provide testimony about their use and limitations. For example, in cases involving autonomous vehicles, experts may be called upon to testify about the technology used in these vehicles, how it works, and what its limitations are. This type of testimony can be crucial in helping judges and juries understand complex technologies and their impact on the case at hand.
Overall, as technology continues to evolve, it is likely that expert testimony will become increasingly important in legal cases. Expert witnesses will be called upon to provide testimony about new technologies, how they work, and what their limitations are. This type of testimony can be crucial in helping judges and juries make informed decisions based on the evidence presented in court.
Where in the female reproductive system does the egg meet the sperm and become fertilized?
Answers
The egg meets the sperm and becomes fertilized in the fallopian tubes, which are located on either side of the uterus. After ovulation, the egg is released from the ovary and travels down the fallopian tube towards the uterus. If sperm are present in the fallopian tube, they may fertilize the egg, resulting in the formation of a zygote. The zygote will then continue to travel down the fallopian tube towards the uterus, where it may implant and develop into a fetus.
Answer:
The egg and sperm meet and fertilization typically occurs in the fallopian tubes of the female reproductive system. After an egg is released from the ovary during ovulation, it travels through the fallopian tube toward the uterus. If sperm are present in the fallopian tube, they may fertilize the egg as it travels towards the uterus. Once fertilized, the egg then continues its journey towards the uterus, where it may implant and develop into a pregnancy.
When 4.41g of phosphoric acid (H3PO4) react with 9.25g of barium hydroxide, water and insoluble barium phosphate form. mole ratio
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The mole ratio of the barium hydroxide, water and insoluble barium phosphate is 3 : 6 : 1
What is the mole ratio?We would have to look at the balanced reaction equation before we can be able to talk about the mole ratio. This is because the mole ratio can only be derived by the use of the balanced reaction equation which i have shown below as;
The mole ratio, also known as the stoichiometric ratio, is a ratio of the amounts of two substances in a chemical reaction, expressed in terms of moles. It is derived from the balanced chemical equation of the reaction
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Missing parts;
When 4.41g of phosphoric acid ([tex]H_{3} PO_{4}[/tex]) react with 9.25g of barium hydroxide, water and insoluble barium phosphate form Find the mole ratios of the reaction.
Two fruit fly parents have 8 chromosomes each. They sexually reproduce and make offspring. Which statement best explains how their offspring inherits their genes?
A
The offspring receives 4 chromosomes from the sperm and 4 chromosomes from the egg.
B
The offspring receives 8 chromosomes from the sperm 8 from the egg.
C
The offspring receives all 8 chromosomes from a single parent.
D
The offspring receives 4 chromosomes from one parent, and they double to 8 chromosomes during growth.
Answers
Answer: Two fruit fly parents have 8 chromosomes each. They sexually reproduce and make offspring. Which statement best explains how their offspring inherits their genes?
Explanation:The offspring of the fruit fly parents inherit their genes through a process called meiosis, which involves the formation of gametes (sex cells) with half the number of chromosomes as the parent cells. During meiosis, the chromosomes in the parent cells undergo genetic recombination and segregation, resulting in gametes with unique combinations of genes from both parents.When the two gametes (sperm and egg) from the fruit fly parents fuse during fertilization, the resulting zygote inherits a combination of chromosomes from both parents, which determines the genetic makeup of the offspring. Each chromosome contains multiple genes, which are segments of DNA that carry the instructions for specific traits or characteristics. The combination of genes inherited from both parents determines the traits, characteristics, and genetic traits of the offspring.In the case of fruit flies with 8 chromosomes, the offspring would also have 8 chromosomes, with a unique combination of genes inherited from both parents. This genetic diversity through sexual reproduction allows for genetic variation within populations, which can contribute to evolution and adaptation to changing environments. However, it's important to note that specific patterns of inheritance, such as dominant and recessive traits, can also come into play, depending on the genes involved. The inheritance of genes and traits in offspring is a complex process influenced by multiple factors, including genetic recombination, segregation, and inheritance patterns. So, the statement that best explains how the offspring inherit their genes from fruit fly parents is through meiosis, genetic recombination, and segregation during sexual reproduction.
What are the four modern-day phyla of gymnosperms?
Answers
Answer:
Gymnosperms consist of four main phyla: the Coniferophyta, Cycadophyta, Gingkophyta and Gnetophyta.
Conifers are the dominant plant of the gymnosperms, having needle-like leaves and living in areas where the weather is cold and dry.
Cycads live in warm climates, have large, compound leaves, and are unusual in that they are pollinated by beetles rather than wind.
Gingko biloba is the only remaining species of the Gingkophyta and is usually resistant to pollution.
Gnetophytes are the gymnosperms believed to be most closely related to the angiosperms because of the presence of vessel elements within their stems.
Coniferophyta (conifers): This is the largest and most diverse phylum of gymnosperms, with over 600 species. Conifers are typically evergreen trees or shrubs with needle-like or scale-like leaves and cones that contain the seeds.
Cycadophyta (cycads): This phylum includes about 300 species of palm-like trees and shrubs with large, compound leaves and cones that are often brightly colored.
Ginkgophyta (ginkgos): This is a small phylum with only one living species, Ginkgo biloba. Ginkgos are deciduous trees with fan-shaped leaves and fleshy seeds.
Gnetophyta (gnetae): This is a diverse group of around 70 species of shrubs, trees, and vines. Gnetophytes have a range of leaf types and growth forms and can be found in both tropical and temperate regions. Some examples include Ephedra and Welwitschia.
All gymnosperms share the characteristic of producing seeds that are not enclosed in a fruit. They are an important group of plants because they can survive in harsh conditions and are often used for lumber, paper, and as ornamental plants.
Why is nonpoint source pollution difficult to control? (Site 2)
Answers
A small forest stood on the edge of an expanding city. In the middle of the forest was a large pond, which arose from a natural spring. As the city expanded, the forest was cut down, the pond drained, and the area paved over for a mall and office buildings. After five years, the average humidity of the area seemed to have decreased. Use your knowledge of the water cycle to interpret this observation.
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Explanation:
The water cycle ( aka the hydrological cycle ) is a biogeochemical cycle which illustrates the constant movement of water on, above and below the Earth's surface.
The water cycle plays a major function in the sustainability of life on Earth as most living organisms can't do without water. Because the cycle is a natural process, it depends on natural presences for its continuation and those presences certainly do not include office buildings and malls.
Plants contribute majorly to the water cycle, as do animals, but not on such a large scale as plants. Green plants give off water in its gaseous state (water vapour) through the process of transpiration which is one of the key stages in the water cycle. Green plants also absorb and make use of the water in the earth's soil which is made possible through the process of percolation, another key component of the hydrological cycle.
For the scenario stated in the question, because the trees which made up the forest were cut down to give way for the city's expansion, there was an alteration in that region's water cycle. The pond which was sustaining and being sustained by their roles in the efficient circulation of water, naturally began to dry up with their decreasing numbers.
Thus, the humidity of the area ultimately decreased with time because of this alteration.
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identify each of the relationship described below as Predation, Parasitism, Mutualism
or Commensalism.
Epiphytic ferns, which attach themselves to the trunks of large rainforest trees as a means of support.
Answers
Answer:
Commensalism
Explanation:
The trees are not being harmed by the ferns' attachment, but also do not gain anything from the relationship, The ferns gain a supportive, stable environment. Since one organism has a positive gain while the other has no advantage in the relationship, it is commensalism.
Commensalism is a type of relationship in which one organism benefits from the association, while the other organism is unaffected. In this case, the epiphytic ferns benefit from the support provided by the trees, while the trees are not affected by the presence of the ferns.
What percent of Oregon’s forest has been lost in the last four centuries 
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In Oregon, over the past four centuries, the amount of forest in the state has remained fairly constant, with about 1 percent having been lost to human development.
What is deforestation?Deforestation is the removal of trees and forests from a particular area, whether for commercial or personal use. Deforestation can occur for various reasons, including agriculture, logging, mining, urbanization, and natural disasters.
Deforestation has numerous negative environmental impacts, such as soil erosion, loss of biodiversity, increased greenhouse gas emissions, and climate change. It can also have adverse effects on human societies, including the displacement of indigenous people and the destruction of their cultural and economic systems.
Oregon has approximately 30.4 million acres of forest land, accounting for 47% of the state's total land area and has lost about 1% to deforestation.
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(ANSWER ASAP!! :) GIVING BRAINLIEST WHEN I CAN)
Look at the Punnett square above. Mom and dad are both heterozygous - which means they both have 1 dominant gene and 1 recessive gene.
What is the phenotype ratio (physical trait) for their offspring?
Answers
The phenotype ratio for the offspring of heterozygous parents are 3:1.
What is phenotype ratio?Phenotype ratio is a ratio that describes the relative number of individuals in a population that display a particular observable trait or phenotype. In genetics, phenotype ratio is often used to describe the outcomes of genetic crosses or experiments.
For example, in a simple dominant-recessive inheritance pattern, a cross between two heterozygous individuals (Aa x Aa) will result in a 3:1 phenotype ratio, with three individuals showing the dominant trait (AA or Aa) and one individual showing the recessive trait (aa). Phenotype ratios can vary depending on the genetic traits involved and the environmental factors that affect their expression.
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Procedure for observing slide under microscope
Answers
The image below shows villi within a fold in the lining of the small intestine.
An illustration depicts a series of villi in a fold in the lining of the intestine.
What is the function of folds and villi?
A.
trapping food particles that flow through the small intestines
B.
increasing surface area to improve nutrient absorption between the digestive and circulatory systems
C.
allowing particles in the small intestines to flow from the jejunum to the ileum
D.
expanding volume to increase gas exchange from the respiratory system to the digestive system
Answers
The function of the folds and villi in the lining of the small intestine is to increase surface area to improve nutrient absorption between the digestive and circulatory systems.
Therefore, Option b is correct
What is described as the circulatory systems?The circulatory systems is described as the system that contains the heart and the blood vessels and moves blood throughout the body and helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products.
The circulatory system consists of four major components:
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which set of terms best describes a cell membrane
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The cell membrane can be described using the following terms:
1-Phospholipid bilayer: The cell membrane is composed of a double layer of phospholipid molecules arranged with their hydrophilic (water-loving) heads facing outward and their hydrophobic (water-repelling) tails facing inward.
2-Selectively permeable: The cell membrane is selectively permeable, meaning it allows the passage of certain substances while restricting the movement of others. This property helps maintain the cell's internal environment and regulate the exchange of molecules with the external environment.
3-Fluid mosaic model: The cell membrane is described by the fluid mosaic model, which suggests that it is a dynamic structure composed of various components, including phospholipids, proteins, carbohydrates, and cholesterol. These components are not fixed in place but rather move and interact within the membrane.
4-Barrier: The cell membrane acts as a barrier, separating the cell's internal environment from the external environment. It helps protect the cell's contents and regulates the movement of molecules, ions, and other substances in and out of the cell.
5-Receptor sites: The cell membrane contains receptor sites that can recognize and bind to specific molecules or signals, such as hormones or neurotransmitters. This allows the cell to respond to external stimuli and initiate various cellular processes.
Adults with more than a twelve (12) month history of migraines
Answers
Based on the information in the problem, the clinical phase of the study which is centered on migraine is Phase 3.
What is a migraine?Recurrent headaches of moderate to severe intensity, which can be accompanied by symptoms like nausea and vomiting as well as sensitivity to light and sound, are the hallmark of the headache illness known as migraine. Migraines can greatly affect everyday activities and quality of life and last anywhere from a few hours to several days.
Phase 3 trials are designed to test the effectiveness of a treatment in a larger population, typically involving several hundred to several thousand participants, and are conducted after preliminary evidence of efficacy has been demonstrated in Phase 2 trials.
Adults with more than a 12-month history of migraines were assigned randomly in a double-blinded study to receive treatment with experimental drug X (10 or 20 mg/day) or placebo. The primary efficacy measure was the reduction in severity of the migraine attacks. Enrollment was 1200 subjects. Which of the following best describes the clinical phase of this study?
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List some aims and purposes for research proposal for freshwater fish pond
Answers
To determine the most appropriate stocking density for a particular species of fish in a freshwater pond, based on factors such as water quality, feed availability, and the desired growth rate of the fish.
To investigate the effectiveness of different feeding regimes and types of feed on the growth and health of fish in a freshwater pond, with the aim of optimizing growth rates and minimizing waste.
To study the impact of environmental factors such as temperature, dissolved oxygen levels, and water flow on the growth and health of fish in a freshwater pond, and to develop strategies for mitigating any negative effects.
To assess the economic viability of a freshwater fish pond by analyzing the costs associated with pond construction, stocking, and maintenance, as well as potential revenue streams from the sale of fish.
To explore the potential of a freshwater fish pond as a sustainable source of protein and income for local communities, particularly in areas where traditional fishing practices may be unsustainable or threatened by overfishing.
To investigate the potential for using aquaponics, a sustainable farming technique that combines fish farming with hydroponic plant cultivation, in freshwater ponds to maximize yields and promote environmental sustainability.
To evaluate the effectiveness of different management strategies for controlling the spread of invasive species in freshwater ponds, with the aim of preserving native fish populations and maintaining ecosystem balance.
To study the impact of climate change on freshwater fish populations, and to develop strategies for adapting freshwater fish farming practices to changing environmental conditions.
Question 4 (1 point)
Population size in nature is ALWAYS constant. (Lesson 5.07)
True
False
Answers
Answer:
true
Explanation:
When body temp increases it causes
metabolic reactions to increase, which
releases heat that further increases body
temp. This is an example of
a. Homeostasis
b. Positive feedback
c. Negative feedback
d. All of the above
Answers
When body temp increases it causes metabolic reactions to increase, which releases heat that further increases body temp. This is an example of positive feedback.
Positive feedback is a process in which a change in a system leads to an amplified or increased response in the same direction as the initial change, rather than stabilizing the system as negative feedback does. In positive feedback, the output enhances or reinforces the original stimulus, leading to a cascading effect of the process, which can be beneficial or detrimental to the system depending on the context.
Positive feedback loops can be found in various biological processes, such as blood clotting, childbirth, and action potentials in neurons, and can also be observed in non-biological systems, such as climate change and population growth.
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Which of the following is MOST closely associated with ecotourism?
A water park in California
Hunting grounds in Argentina
A national rainforest in Puerto Rico
A cruise ship in the Caribbean
A jet ski rental shop in Costa Rica
Answers
A national rainforest in Puerto Rico is MOST closely associated with ecotourism. The correct answer is c).
Ecotourism is a form of tourism that is focused on responsible travel to natural areas that conserves the environment and improves the well-being of local people. The goal of ecotourism is to educate visitors about the natural and cultural heritage of a particular area and to promote conservation efforts.
A national rainforest in Puerto Rico would be an ideal location for ecotourism because it offers visitors the opportunity to explore a unique and diverse ecosystem while also supporting conservation efforts and providing economic benefits to local communities. In contrast, a water park, hunting grounds, cruise ship, or jet ski rental shop may not be focused on responsible travel or conservation efforts and may have negative impacts on the environment and local communities.
Therefore, the correct answer is c) A national rainforest in Puerto Rico.
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I need your help with this
Answers
Answer:
True
Explanation:
The formula for gravitational force is:
F = Gm1m2/r^2
where F is the gravitational force, G is the universal gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between their centers. According to this formula, the gravitational force depends on the product of the masses of the two objects. This means that any object that has mass will exert a gravitational force on any other object that has mass. Therefore, the statement is true: everything that has mass exerts a gravitational force on other objects.
Help me please I will be happy
Answers
Answer:
C. The Earths Core (Center)
Explanation:
I took the test.
Using the information from the reading, create a biomass diagram using lions/buffaloes/grasses what do you think it would look like based on what you know about the 10% rule?
Answers
Answer: It depends on the reading, but it should show the grass with the most energy, the buffalo with 90% less energy than the grass, and the lions with 90% less energy than the buffalo
Explanation: The ten percent rule states that, when energy is transferred from one organism to another, only 10% of the energy is conserved. The other 90% is lost as heat. So, heterotrophs (organisms that produce their own energy) like the grass would have the most energy, the buffalo would only receive 10% of that, and the lions only 10% of the buffalos' energy.
Explain how an appliance could have a lower wattage than another but still cost more per year for electricity. give examples
Answers
Answer:
An appliance could have a lower wattage than another but still cost more per year for electricity if it’s not well insulated and cycling on more often to keep the interior cold. For instance, a cheap mini fridge may have low wattage, but if it’s not well insulated and cycling on more often to keep the interior cold, your final costs to run it will be higher than a better-designed beverage cooler with excellent insulating properties.
Explanation: