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Biology, 18.11.2019 10:31 samiller30
Students were asked to determine if they could squeeze a clothespin more times in a minute after resting than after exercising. an experiment that accurately tests this question should include all of the following except a a large number of students b two sets of clothespins, one that is easy to open and one that is more difficult to open c a control group and an experimental group with equal numbers of students of approximately the same age d a hypothesis on which to base the design of the experiment
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