What is the term for a method farmers use to bring water to their fields from rivers and aquifers?

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Answer 1
Answer:

the term is irrigation


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Johannes wants to know whether soil, water, or both are needed for plant growth. He chooses to conduct experiments on a willow tree for five years to answer his question. How can his experimental methods be changed to improve his experiment?

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Answer : He needs to use a larger sample size to improve his experiment.

Explanation : As Johannes wants to know whether soil, water, or both are needed for plant growth. He chooses to conduct experiments on a willow tree for five years. To get the improvement in his experimental methods he can choose a larger size of the sample and test its results. As larger size will allow him to gauge accurately on the smaller factors and results will be more reliable. Larger sampling will ensure the homogeneity of the test sample, which will yield better and reliable results.

Johanneswants to know whether soil, water, or both are needed for plantgrowth. He chooses to conduct experiments on a willow tree for fiveyears to answer his question. His experimental methods can be changedby testing more factors in the environment. This will improve hisexperiment.


Ihope it helps, Regards.

What two things must happen for diffusion to occur?

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For diffusion to occur there needs to be a concentration gradient. Which means that the concentrations on the two sides must be different. In diffusion the particles flow from high concentration to low concentration.

BRANLIEST PLS HURRYy

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Answer:

Illustration B

How does the loss of vegetation on shore lines affect waterways?

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Loss of vegetation on shore lines affect waterways, it increased erosion of water banks. Vegetation on the shore protects the soil from erosion, it lessens its effect through its roots supporting parts of the shore. Without these, erosion will negatively takes place.

(C) Increses erosion of water banks

The muscles control decreasing pupil size in response to brighter light levels

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Final answer:

The sphincter pupillae muscle controls decreasing pupil size in response to brighter light levels. This action protects the eye from potential damage. The process is involuntary and controlled by the autonomic nervous system.

Explanation:

The pupil size in our eyes is controlled by two muscles: the sphincter pupillae and the dilator pupillae. When we are exposed to brighter light levels, the sphincter pupillae muscle contracts, which causes the pupil to decrease in size. This acts as a protective mechanism to prevent too much light from entering the eye and possibly causing damage.

The functioning of these muscles are involuntary and controlled by the autonomic nervous system. In contrast, in lower light levels, the dilator pupillae muscle would contract to increase pupil size and allow more light in for improved vision.

Learn more about sphincter pupillae here:

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The statement is correct, the muscles control decreasing pupil size in response to brighter light levels.

Your eye's retina converts light into nerve impulses that travel down the optic nerve. The muscles that regulate the size of the pupil get some of these nerve signals from the optic nerve.

Which of the following is not a method used to improve management of tropical rainforests?a. increased loggingb. establishing special reserves for critical speciesc. utilize better agricultural techniquesd. the use of plantationsPlease select the best answer from the choices providedO B

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Answer: Logging (A)

Explanation:

Logging occurs so that the land can be cleared so that the land can be used for other things Logging is harmful as it releases a lot of carbon dioxide into the environment. Logging also contributes approximately 12%-16% to greenhouse gas emissions and also it impacts the climate, causes soil erosion, flooding and desertification

The rest of the options that are given is to help conserve the rain forest.


The most logical answer is a