According to the Physical Activity Guidelines for Americans , Which

According to the Physical Activity Guidelines for Americans , which recommendation would be enough exercise for an adult who wants to achieve health benefits?

A) Two 30-minute sessions of vigorous-intensity aerobic activity per week
B) Three 25-minute sessions of vigorous-intensity aerobic activity per week
C) Five 30-minute sessions of moderate-intensity aerobic activity per week
D) One 1-hour session of vigorous-intensity aerobic activity per week
E) Three 1-hour sessions of moderate-intensity aerobic activity per week