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? he needs to ask scientists what they think. he needs to conduct the experiment for a longer period. he needs to use a larger sample size. he needs to test more factors in the environment.
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Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.
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Johannes wants to know whether soil, water, or both are needed for plant growth. he chooses to condu...
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