name two limitations of using models in science?
Limitations of Models in Science
•Missing Details. Most models can't incorporate all the details of complex natural phenomena. ...
•Most Are Approximations. •Most models include some approximations as a convenient way to describe something that happens in nature.
•Simplicity. ...
•Trade-Offs.
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I need 3 fast (easy question)
Answer:
Mitosis.
Explanation:
Mitosis is used to produce daughter cells that are genetically identical to the parent cells. The cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.
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-Jaron, King of Carthya.
Where are most ATPs produced in cellular respiration
Answer:
In oxidative phosphorylation.
Explanation:
I added a pic as a reference-
When is it appropriate to use images in presentations?
to add color to a slide
to minimize empty space on a slide
to illustrate key points simply
to increase the complexity of a presentation
Answer:
to illustrate key points simply.
Explanation:
You first use images to back up your evidence, then secondly use them to add aesthetic value to your slide
It is appropriate to use images in a presentation to illustrate key points
Images are a visual representation of the given information. since visual information is more easily grasped by the user that audio or written information, so the key points may be represented by using images so as to remember them more conveniently.
Compare and contrast a ridge and a mountain.
The key difference is that a ridge has a continuous crest and a single ridgeline for the whole length of the feature. Mountain ranges usually consist of many smaller ridges.
What are the features of ridges?A ridge or a mountain ridge is a geographical feature consisting of a chain of mountains or hills that form a continuous elevated crest for an extended distance.
Moreover, four classes of oceanic ridges are considered: spreading-center ridges, fracture-zone ridges, basaltic-volcanic ridges, and island arc ridges.
A ridge is a long and narrow elevation that has steep slopes on either side and stands out from the surrounding lowlands. It also acts as a watershed to rivers that flow down narrow valleys on both of its sides.
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give two effects of photolysis of water during light-dependant reaction
Spliting of water and production of oxygen are the two effects of photolysis of water during light-dependant reaction.
What are the effects of photolysis of water during light-dependant reaction?Photolysis refers to the use of light energy in order to split water molecules and produce oxygen. In the light-dependent reactions, light energy is absorbed by chlorophyll and transferred to the reaction center of photosystem II.
So we can conclude that Spliting of water and production of oxygen are the two effects of photolysis of water during light-dependant reaction
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Place the following events in order from what happened first (oldest) to what happened most recently (youngest) on the geologic timescale.
-Humans and mammals become dominant
-Dinosaurs become dominant
-Reptiles are dominant
-Appearance of land plants
-First flowering, land plants
-First amphibians appear, followed by land animals
-First birds appear
-Life starts in the ocean with single cells
Answer:
-Life
Reptiles
appearance of plants
plants
Amphibians
dinosaurs
birds
humans
Explanation:
which is defined as a change in position for a time interval
Answer:Motion involves change in position, such as this perspective of rapidly leaving Yongsan Station. In physics, motion means a continuous change in the position of a body relative to a reference point, as measured by a particular observer in a particular frame of reference.
Explanation:
Expalin the physiological concepts associated with muscular tissue at a microscopic level
Answer:
Muscle tissue has four unique characteristics, which include excitability, contractility, extensibility, and elasticity. Muscle tissue has four unique characteristics, which include excitability, contractility, extensibility, and elasticity.
Explanation:
Muscle tissue has four distinct properties: excitability, contractility, extensibility, and elasticity.
What are muscles?The human body contains approximately 600 muscles. Skeletal, smooth, and cardiac muscles are the three primary types of muscle.
The neuromuscular system is the collaboration of the brain, nerves, and skeletal muscles to end up causing mobility.
Muscle fibers are highly specialized cells that make up the muscular system. Their main function is contractility.
Movement is governed by muscles, which are attached to bones or vital organs and blood vessels. Muscle contraction causes nearly all movement in the body.
Muscle tissue is distinguished by characteristics that enable movement. Muscle cells are excitable, meaning they respond to stimuli.
They are contractile, which means they can simplify and produce a pulling force. When muscles are attached between two movable objects, such as two bones, they contract.
Thus, these are the three physiological concepts associated with muscular tissues.
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Public dissent in America led to a plan being devised to create an independent Philippines, which was established in:
A. 1965
B. 1950
C. 1980
D. 1935
Answer:
C but im not sure
Explanation:
Correct me if its wrong
6. The process that affects evolution due to human activity is known as
•artificial selection
•founder effect
•genetic drift
•natural selection
Answer:
artificial selection
Explanation:
through human activity evo
There are more _______ vertebrae than any of the other types of vertebrae listed below.
A. thoracic
B. cervical
C. lumbar
D. sacral
Answer:
A. thoracic
Explanation:
It has 12 vertebrae
Salt is most likely to be mined using which mining technique?
A.) Mountaintop removal
B.) Solution mining
C.) Placer mining
D.) dredging
Answer:
B.) Solution Mining
Explanation:
Definintion: solution mining is mining of underground, water-soluble minerals, usually using one or more drilled wells to dissolve the minerals with water.
Sorry if it's wrong!
=> Solution mining is done by pumping water into subterranean salt deposits, found in many parts of the world, dissolving the salts and pumping the brine to the surface for drying and further use.
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Answer:
the answer is c
Explanation:
Answer:
Delta formations and earthquakesExplanation:
Delta formations has to be included as it covers the most area (along with earthquakes) and the most time, which is over thousands of yearsIt has to be between earthquakes and geochemical reactionsBut as geochemical reactions take place very quickly and is limited to the atomic scale, earthquakes is the better choice for inclusionI NEED HELP ASAP!
Images shows a lake labeled carbonates in water, a cow labeled animal respiration, a tree labeled photosynthesis, a factory labeled factory emissions, the sun labeled sunlight, a cloud labeled carbon dioxide in atmosphere, another tree labeled plant respiration, an arrow from organic carbon to dead organism, and fossils and fossil fuels. Arrows are labeled as follows: A from the sunlight to photosynthesis, B from carbon dioxide in atmosphere to photosynthesis, C from factory emissions to carbon dioxide in atmosphere, D from carbon dioxide in atmosphere to carbonates in water, E from dead organisms to fossils and fossil fuels, and F from plant respiration to the sky.
Using the diagram above, answer the following questions:
6. True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
7. True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
8. Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
10. Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
Answer:
From factory emissions to carbon dioxide in the atmosphere (C)
The process occurring can be called Combustion. In this process, organic matter is burned in the presence of oxygen (oxidizer). It releases energy and carbon dioxide because the carbon in organic matter is oxidized to form CO2.
from dead organisms to fossils and fossil fuels (E)
The process explained in the question can be stated as Fossilisation. In this process, dead remains of plants and animals are transformed into fossils under pressure. The organic matter is preserved according to the shape of the organism.
from factory emissions to carbon dioxide in the atmosphere (C) & from carbon dioxide in the atmosphere to photosynthesis (B)
Two reactions represent the conversation of mass and energy. The burning of fossil fuel (mass) releases energy and carbon dioxide, which is again used by plants to store energy in the process of photosynthesis. This is shown in C and B part of the figure
Explanation:
Drag each tile to the correct box.
Mountainside communities often have plans in place to keep people safe during a natural disaster. Place the mass movements in order basec
on the amount of reaction time the community members will have to get to safety. Start with the mass movement event that gives people the
least amount of time to react.
creep
avalanche
earthflow
The order of mass movement event that gives people the least amount of time to react is:
AvalancheEarthflowCreepWhat is Mass movement?This is defined as the movement of rocks or soil down slopes under the force of gravity.
The one with the fastest movement is avalanche and the slowest is creep thereby making the above order is the most appropriate.
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Answer:
avalanche, earthflow, creep,
Explanation:
Plato
Find out and discuss drawbacks that campaigners should avoid in order to run a successful social media campaign against human rights violations
The drawbacks of social media campaign against human rights violations can be avoided by engaging people of all gender and race as well as by shunning support of armed protests
What are human rights violations?Human rights violations are actions or conduct which deny or abuse the fundamental human rights of an individual.
Social media is wonderful tool that can be used to campaign against human rights violations.
However, some potential drawbacks in the campaign involve:
marginalization of certain groups implicit or explicit support of armed strugglesThese drawbacks can be avoided by
engaging people of all gender and raceshunning support of armed protests.Therefore, by engaging people of all gender and race as well as by shunning support of armed protests, the drawbacks of social media campaign against human rights violations can be avoided.
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The carrying capacity of an environment may be decreased by
Answer:
Carrying capacity can be decreased by disease, an increase in predation, hunting or harvesting by humans, a decrease in available habitat such as habitat destruction by humans, parasites, competition with another species for a resource, or changes in the weather that make the species less suited to the environment.
The carrying capacity of an environment may be decreased by increased activity of predators, diseases, climate change, human activities, habitat destructions, etc.
What is Carrying capacity?Carrying capacity may be defined as the maximum number of individuals that can be supported by a habitat.
The carrying capacity of the same habitat may be different for different species. It actually depends on how a species utilizes the resources present in that habitat.
The carrying capacity of any species in its habitat depends on the numer of predators, the flow of diseases, the influence of human activities like overgrazing, industrialization, harvesting, habitat destructions, etc.
Therefore, it is well described above.
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Insulin is an enzyme released by the liver
A) True
B) False
Answer:
False
Explanation:
Because insulin is a hormone released by the pancreas.
This functional group consists
of three hydrogen atoms
bonded to one carbon atom. HaC-
Which functional group is
shown in this image?
A. an amino group
B. a methyl group
C. a phosphate group
D. a carbonyl group
Answer:
B.) a methyl group
Explanation:
A.) is incorrect because an amino group has a central nitrogen atom bonded to two hydrogen atoms.
B.) is correct because methyl groups consist of one central carbon bonded to three hydrogen atoms.
C.) is incorrect because a phosphate group contains a phosphorus central atom and four surrounding oxygen atoms. It should be noted that one of the oxygens is double bonded to the phosphorus, while the other three oxygens are single bonded to the phosphorus.
D.) is incorrect because carbonyl groups consist of a central carbon atom double bonded to an oxygen atoms. The carbon is also bonded to two R groups (normally some type of carbon chain).
5. What bet did Pete make with Hank?
A. Whichever one of them made the most rebounds would get a free ticket to Manta-
Man.
B. Whichever team scored the most points would get a free ticket to Manta- Man.
C. Whichever one of them scored the most points would get a free ticket to Manta-
Man.
The bet did Pete make with Hank was C. Whichever one of them scored the most points would get a free ticket to Manta-Man.
Who was Pete?Pete was the basketball player, he used to have a wheelchair. He loves to play with other kids as well, he was into that team in which all the players were wheel chaired.
As Pete was moving to the park he sees Hank who usually comes to meet his father there. Then Pete and Hank make a bet about watching the movie Manta-Man.
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2. Fill in the RNA bases from the given DNA Bases.
DNA STRAND: GAT CGC TAC
RNA STRAND:
DNA STRAND: ATC GGA ACG CAG CCT TAT ATC GAA TCA
RNA STRAND:
3. Fill in the DNA bases from the given RNA bases
RNA STRAND: UCG UAC CAU UAA UUU CGC AUC
DNA STRAND:
4. Fill in the bases from the strands of DNA and RNA.
________STRAND: A T G C CG T AGC
________ STRAND: G U U U AU
RNA strands are synthesized from DNA by complementarity and replacement of thymine with uracil.
What are RNA molecules?RNA molecules are polynucloetide chains of ribonucleic acids which serve roles in information storage and protein synthesis in living organisms.
RNA strands can be synthesized from DNA strands.
The RNA strands from the given DNA strands are as follows:
DNA STRAND: GAT CGC TAC
RNA STRAND: CUA GCG AUG
DNA STRAND: ATC GGA ACG CAG CCT TAT ATC GAA TCA
RNA STRAND: UAG CCU UGC GUC GGA AUA UAG CUU AGU
DNA STRAND: A T G C CG T AGC
RNA STRAND: G U U U AU
Therefore, the RNA strands are synthesized from DNA by complementarity and replacement of thymine with uracil.
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Biocatalysis is:
O A form of genetic sequencing
O A form of genetic modification
O Speeding up or aiding a chemical reaction using a biological enzyme
A means of mutating the genome of a simple organism
What is the function of a stop codon
On a very cold night, a family turns on their heating system after a long period without maintenance. Within minutes, they begin to feel very dizzy and
quickly leave the house. What type of exposure is most likely causing this reaction?
O Lead
OAsbestos
O Formaldehyde
O Carbon monoxide
Answer:
Carbon Monoxide
Explanation:
My best guess sorry if it wrong
Discuss the similarities and differences between the starch Amylose and glucose. Include at two different and two different similarities
Answer:
Differences
1)Amylose is a polysaccharide while glucose is a monosaccharide
2) Amylose requires an enzyme, amylase to be broken down into maltose (a disaccharide) through a process of hydrolysis while Glucose doesn't need any enzyme to be converted in maltose during condensation .
Similarities
1) they're both sugars used for providing energy
2) They're both metabolites
An investigation involving osmosis and plant cells was performed by a group of students. Sweet potatoes were used as
the source of plant cells in the experiment. A sweet potato was diced into evenly sized andshaped cubes and placed
in beakers containing various glucose concentrations. The experimental setup is shown in the table here.
Which statements accurately predict the beaker in which water will enter the cells at a greater rate, causing an
Increase in mass for the sweet potato cells?
A)
Beaker 1
B)
Beaker 3
C) beaker 4
Answer:
A
Explanation:
Water will enter and leave the cells at the same rate via osmosis
The correct option is (A) Beaker 1 in which water will enter the cells at a greater rate, causing an increase in mass for the sweet potato cells.
What is Osmosis?Osmosis refers to a process in which the water or solvent diffuse across a semipermeable membrane (here cell membrane) from the area of high solute (here glucose) concentration to low solute concentration. The concentration of glucose in the water of beaker 1 is 1.5M which is highest as compared to other beakers.
The concentration of glucose solution in beaker 1 is hypertonic to the concentration of glucose in the cell which makes the water to move inside the cell via osmosis. Movement of water inside the cell results in increase in mass for the (sweet potato) cells.
Thus, the water will enter the cells at a greater rate in the beaker 1 because the glucose concentration is highest in the beaker 1 corresponding to its cell glucose concentration.
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explain how a trait is inherited and what causes it to vary among individuals
Answer:
dominant and recessive gene... i think
Need help on these too. (I’d appreciate if you answer at least some questions)
Answer:( answer for number one) an essential nutrient for the production of amino acids, proteins, nucleic acids. ( number 2 ) for the growth, maintenance, and repair of all tissues and cells, and for the production of the genetic building blocks, DNA and RNA
Which statements are TRUE about fossil fuels? (Select all that apply)
They do not replenish themselves.
They are expensive to extract compared to other forms of energy.
They release large amounts of carbon dioxide when burned.
They are in a limited supply.
(Select ALL that apply) and no links please.
Answer:
They do not replenish themselves
They release large amounts of carbon when burned
They are in a limited supply
Explanation:
Eazy duz it
Answer: They do not replenish themselves.
They release large amounts of carbon dioxide when burned.
They are in a limited supply.
Explanation: