In an experiment to determine the effect of exercise on pulse rate, a student checks his pulse rate before
and after exercising for several minutes. the purpose of checking his pulse rate before exercising is that it
(1) serves as the conclusion for the experiment
(2) is needed to justify the sample size
(3) serves as a control for the experiment
(4) is needed to formulate a hypothesis
Answers: 1
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As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases
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The activity of the modern sample is 1.10 bq . how long does that measurement take?
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In an experiment to determine the effect of exercise on pulse rate, a student checks his pulse rate...
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