Question

Please help meeee!!!!

A student asks, "How does exercise affect an individual’s heart rate?" Which step can the student complete to best help her answer the question through scientific inquiry? She can keep the results to herself. She can conduct background research. She can ask friends for their opinions. She can observe people who do not exercise.

I will mark you

Answer 1

She can observe people who do not exercise

Answer 2

Answer:

b

Explanation:

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