Which statement is true? Question 4 options: The national physical activity guidelines for Americans recommend 60 minutes of activity each day for teens and adults. This is a realistic target for most Americans. The national physical activity guidelines for Americans recommend 60 minutes of activity each day for teens. Some of the activity can be light physical activity and some of the activity should be flexibility exercises performed two or three times per week.
The national physical activity guidelines for Americans recommend 60 minutes of activity each day for adults. This is a realistic and specific target for weight loss.
The national physical activity guidelines for Americans recommend 60 minutes of activity each day for teens. Some of the recommended activity should be vigorous activity performed at least three days a week and some should be muscle fitness and bone-building activity performed at least two days a week.