Which statement about the recommendation for daily physical activity is true?
it should be a vigorous.
it should be a mix of moderate, low, and vigorous activity.
it should be continual and not broken into several sessions.
it should be moderate to vigorous.

It should be a mix of low, moderate , and vigorous activity

Hope this helped! (:

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.