Biology, 09.12.2019 21:31 Cristian9059
Mei wants to study whether heart rate increases more during certain exercises than during others. she designs an experiment to test the heart rates of classmates in the morning and in the evening for three days, immediately after doing jumping jacks, doing push-ups, or running in place. what is the dependent variable in this experiment?
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Mei wants to study whether heart rate increases more during certain exercises than during others. sh...
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