aylengarcia090

28.08.2020 • 

Biology

You are interested in how stress affects heart rate in humans. Your independent variable would be the stress and the dependent variable would be the heart rate. You can directly manipulate stress levels in your human subjects and measure how those stress levels change heart rate. How could you manipulate this stress?

Ответ:

bxbysoso

31.01.2022

Biology

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As an example, you are interested in how stress affects heart rate in humans. Your independent variable would be the stress and the dependent variable would be the heart rate. You can directly manipulate stress levels in your human subjects and measure how those stress levels change heart rate.

Explanation:

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Ответ:

hollie52

29.11.2021

Biology

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I think it’s A because we know that in the process of photosynthesis plants use sunlight, carbon dioxide, and water to make glucose(sugar) and oxygen.

Plants need carbon dioxide to create their food

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