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The frequency of an activity refers to the A. length of time it takes for an exercise or group of exercises to be complete. B. number of times an exercise or group of exercises is performed within an certain time frame. C. amount of energy exerted while performing an exercise. D. classification of exercise.

William Cain

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Melissa Norris on January 23, 2019

B, because the frequency is the number of times you do something in a certain amount of time, such as B


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