A student records his pulse rate at rest and again after exercising for 30 minutes. He repeats this process for 15 days. There is a trend in his pulse rate and a possible explanation. His explanation is known as
Group of answer choices
a theory
a hypothesis
raw data
an observation
Answers: 2
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A student records his pulse rate at rest and again after exercising for 30 minutes. He repeats this...
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