In an experiment, why is it important to control all variables except the one whose effect is being investigated?.

Answers

Answer 1

Answer:

To get accurate result of the variable that is under investigation.

Explanation:

All variables tend to vary the results of the experiment.We control the variables so that those variable should not affect the accuracy of the data.

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Related Questions

What statement best compares photosynthesis and cellular respiration?

Answers

Photosynthesis releases stored energy, while cellular respiration stores energy. Photosynthesis stores energy, while respiration releases stored energy

3. What was a central idea in Aztec philosophy that helped to create their
advanced society?
A. Every person needs to follow a strict set of rules for behavior and work in order to contribute to the
group
В. Visitors should be made welcome through elaborate parties and gift-giving
C. Regular animal sacrifice brings good luck and prosperity to society
D. Every successful society should have slaves to do hard labor.

Answers

Answer:

A is the answer

hope its help#carry on learning

The amount of carbon removed by forests in the United States each year is equal to _______. A. 3390 semi-trucks full of carbon b. 150 million metric tons c. 80% of the carbon in the atmosphere d. 1300 semi-trucks full of carbon.

Answers

The amount of carbon removed by forests within the U.S. annually is adequate to 3390 semi-trucks filled with carbon.

The correct option is A in that the exact amount of carbon removed in the United States is 3390 semi-trucks.

Carbon capture and removal are going to be necessary for the US to realize net-zero emissions by 2050. US policymakers are working to scale up the deployment of these technologies.

Some prominent ideas for carbon removal include:

Planting massive new forests (afforestation/reforestation) Using no-till agriculture and other practices to extend the quantity of carbon stored in soils (soil carbon sequestration) Creating charcoal and burying it or plowing it into fields (biochar)

Thus, the correct option is A,3390 semi-trucks full of carbon is the amount of carbon removed in the U.S.each year.

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Answer:

The amount of carbon removed by forests in the United States each year is equal to _______.

a.

3390 semi-trucks full of carbon

b.

150 million metric tons

c.

80% of the carbon in the atmosphere

d.

1300 semi-trucks full of carbon

Please select the best answer from the choices provided

A

B

C

D

The answer is A

Explanation:

How can comparing similarities and differences in anatomy provide evidence for evolution?

Answers

Answer:

Scientists compare the anatomy, embryos, and DNA of living things to understand how they evolved. Evidence for evolution is provided by homologous structures. These are structures shared by related organisms that were inherited from a common ancestor. Other evidence for evolution is provided by analogous structures.

Explanation:

Which process produces the greatest number of ATP molecules?

Answers

Answer:

electron transport chain

Explanation:

The stage of aerobic respiration that produces the greatest number of ATP molecules is the electron transport chain.

How is the information in a dna molecule expressed?.

Answers

Answer:

it express gene expression together , transcription and translation are known as gene expression, during the process of transcription the information stored is a gene's DNA is passed to a similar molecule called RNA (ribonucleic acid ) in the cell nucleus

What is the maximum time food can be in the danger zone?.

Answers

Answer:

Food that remains in this zone for more than two hours should not be consumed.

Explanation:

The danger zone is the temperature range in which food-borne bacteria can grow. Food safety agencies, such as the United States' Food Safety and Inspection Service (FSIS), define the danger zone as roughly 40 to 140 °F (4 to 60 °C).

A student hiking in a rocky area on a mountain notices that wide, deep cracks have
formed in some of the large rocks. Some of the cracks are so large that the rocks
have broken apart. Which process most likely caused these rocks to crack and
break?


Answers

Answer:

the answer should be G

Explanation:You usually can't break rocks apart by wind.

Water freezing and thawing results in deep cracks on rocks, which is most likely what caused these rocks to crack and break.

What is the physical weathering?When rocks expand and contract as a result of hot and cold temperature cycles, this is referred to as physical weathering. Rainwater may also freeze and expand in rock cracks. As a result of these processes, rocks begin to crack and fragment.Describes the breakdown or dissolution of minerals and rocks on Earth's surface Water, ice, acids, salts, plants, animals, and temperature variations are all weathering agents. After a rock has been broken down, a process known as erosion transports the rock and mineral fragments away. Physical weathering, also known as mechanical weathering, is the process by which rocks break apart without changing their chemical composition. These are some examples of physical weathering: Water that is moving quickly.

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What might be the advantage of a thin leaf blade to the photosynthetic capacity of a leaf?.

Answers

Answer:

A flat thin leaf will have more surface area. More surface area of a leaf means more photosynthetic capacity of the plant

________ and ________ are structures that walk along microtubules in the eukaryotic cell carrying vesicles from place to place.

Answers

Answer:

A kinesin is a protein belonging to a class of motor proteins found in eukaryotic cells. Kinesins move along microtubule (MT) filaments, and are powered by the hydrolysis of adenosine triphosphate (ATP) (thus kinesins are ATPases, a type of enzyme).

what foods are good for obtaining vitamin b7

Answers

Answer:

Foods that you can obtain Vitamin B7 from include:

-Walnuts

-Peanuts

-Cereals

-Milk

-Egg Yolk

Explanation:

Answer:

The foods that are good for obtaining vitamin b7 are:

1. Eggs (cooked)

2.Salmon

3.Avocados

4.Pork

5.Sweet potato

6.Nuts, seeds

7. Beef liver

8.Milk

40 POINTS
What do you think will happen in a model built using these steps? Predict how erosion and weathering will occur in each container and whether the rate of erosion will be different.
How could she build a model to compare how different forms of water cause erosion on a hill?

Obtain two identical containers and dry sand.
Shape equal amounts of sand into a
slope on the side of
each container.
Spray water on the sand in one container. The sprayed water represents
rainfall
.
In the other container,
place ice cubes to melt on the sand. This represents snow or glaciers.
.

Observe and record the changes in the sand.

Analyze differences between the two containers.

Answers

Answer:

is there a pic of it

Explanation:

Answer:

do you have a picture to show?

Explanation:

What factors affect natural selection? Select three options. Isolation variation overpopulation adaptation.

Answers

Your answer is going to be:
Variation, Overpopulation, and Adaptation


The next part's answer is:
Evolution

There are several factors that can affect natural selection, including variation, adaptation, and isolation.

What are factors affecting natural selection?

Variation refers to the differences that exist among individuals within a population. Natural selection can act on these differences, favoring certain traits and leading to the survival and reproduction of individuals with those traits.

Adaptation is the process by which organisms become better suited to their environment through the development of traits that help them survive and reproduce. Natural selection can favor adaptations that help an organism better survive and reproduce in its environment.

Isolation can also affect natural selection by separating a population into smaller groups that are isolated from one another. This can lead to the development of different traits in each group as they adapt to their specific environments, potentially leading to the emergence of new species over time.

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What are the 3 main parts of the circulatory system.

Answers

Answer:

Heart, blood and blood vessels

Explanation:

Blood is key to everything because it carries oxygen and nutrients however it can't get there without the 2 other parts. The heart pumps the blood by filling up chambers and squeezing it really hard forcing it out and into blood vessels. Blood vessels carry the blood to everywhere in your body and blood vessels is just a broad term for all the different types.

Which describes the function of a peptide bond

Answers

Answer:

A covalent link between two amino acids is known as a peptide bond. Proteins are lengthy chains of amino acids formed by peptide bonds in living organisms. Proteins serve a variety of functions, including structural support, catalysis, and identifying chemicals in the environment.

Explanation:

Answer:

A peptide bond is a convalent bond of two amino acids and their functions are used to form long chains of amino acids called protiens. Protiens are used for structural support, speeding up important reactions and recognizing molecules in the enviroment.

What three elements are present in all carbohydrates?

Answers

carbohydrates are composed of carbon, hydrogen, and oxygen

Forests provide many different type your answer... for plants and animals.​

Answers

Answer:

Types of habitats

Explanation:

Which 2 parts of the microscope is used to focus an image?

Answers

the answer is the fine adjustment knob and coarse adjustment knob

When preparing a wet mount specimen for viewing, the specimen should be covered with:.

Answers

Wet specimens should be covered with coverslips before mounting them to microscopes.

Microscopy

During microscopy, covering wet specimens with coverslips offer a lot of advantages, including:

limiting the rate of evaporation from the specimenkeeping any added stain on the specimenpreventing contamination of the specimen by airborne particles

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How is the genetic code formed?

Answers

Answer:

The genetic code is made up of codons, which are three-letter chains of nucleotides. Each codon codes for one specific amino acid. The code determines the order in which amino acids are added to a polypeptide chain during protein synthesis. Therefore, the genetic code dictates the sequence of amino acids in a protein.

Explanation:

Kareena says Arteries carry oxygenated blood and veins carry deoxygenated blood . Explain why she is wrong .

Answers

Answer:

CHECK MY QUESTIONS FAST PLZ

Explanation:

CHECK MY QUESTIONS FAST PLZ

CHECK MY QUESTIONS FAST PLZ

How does semi conservative replication help prevent mutations.

Answers

Semi-conservative replication of DNA prevents mutations because every new base that is added to a growing daughter strand during replication has to pair with the original strand.

Semi-conservative replication of DNA

When DNA replicates or makes a copy of itself, one of the old strands forms the template for the synthesis of a new strand.

In other words, the two double-helix DNA that results from replication consist of one old strand and one new strand.

Thus, the integrity of the old strand remains intact.

By doing so, every new base that would be synthesized during replication has to pair with the bases of the old strand. This ensures that mistakes (mutations) are avoided.

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what is the cause and effect of active site mutation

Answers

Answer:

The shape of the active site may not be complimentary to the substrate anymore, so the substrate may bot be able bind to the active site

How many times larger is the number of Hydrogen atoms than Oxygen atoms in a polysaccharide
molecule?

Answers

13. The polysaccharide has twice the number of hydrogen atoms as the number of oxygen atoms.

Answer:

Explanation:

The polysaccharide has twice the number of hydrogen atoms as the number of oxygen atoms.

Do most of the complex phenotypes we observe come from a single gene?.

Answers

Answer:

Most traits are determined by more than one gene. For example, skin color and height are determined by many genes. Some phenotypes however, are determined by a single gene.

What ocean sediment might have helped protein chains to form?

Answers

Answer: Ribozymes

Explanation: Ribozymes are able to act both as genes and enzymes. This enables a plausible model for the origin of life to be constructed because the ribozyme molecules could perform the catalytic activity necessary to assemble themselves. Once formed, they could synthesize further proteins.

During what period did most marine animals become extinct?

Answers

Most marine animals became extinct during the Permian period.

Can someone plz help me? :(

Answers

Answer:

D and B

Explanation:

remember that vaccines are not cures so they only help to strengthen your immune system so the only logical answers would be D and B

Which one is properly matched to its primary use?

Answers

Answer:

negative stain used to distinguish dormant structures formed during adverse environmental conditions.

how are energy and matter transferred through organisms and their environment?

Please help​

Answers

Answer:

food webs

Explanation:

Food webs are models that demonstrate how matter and energy is transferred between producers, consumers, and decomposers as the three groups interact within an ecosystem. ... Decomposers recycle nutrients from dead plant or animal matter back to the soil in terrestrial environ

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