Hich activity causes the greatest risk of driving fatalities? a. driving on a clear day b. driving with a passenger c. driving at night d. driving while distracted

D. Driving while distracted

driving while distracted.

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.