Teens are often more vigorously active than adults. For this reason some people say that teens should begin to do lifestyle or more moderate activity so that they will stay active later in life. Do you think you will become more or less active as you grow older? Do you think your attitudes toward activity will change? What types of activity do you think you will do? *

Teens will become less active as they get older; there are less opportunities for competitive sports; lifestyle activities will become more popular

Explanation:

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.