Adolescents require fewer hours of physical activity than adults.

False

Explanation:

Adolescents don't require fewer hours of physical activity than adults.

False.

Explanation:

Adolescents actually require more physical activity than adults, for their consumption of calories is greater than the usual percentile of bmi (due to them growing). This means that they need to expend the extra calories they get through physical activities.

answer: the first option is not an affect of aging. so the first option is the answer. (secondary sex characteristics appear)

obesity is a result of eating unhealthy junk food which increases the fat content of the body and makes you obess. it is also further because of not doing proper exercise and not participating in any physical activity.