Answer: C. One-third of adolescents in high school do not engage in regular physical activity.
Step-by-step explanation:
Physical fitness can be define as the state of health and well being which is more specifically related to the ability to perform various aspects of daily activities, sports and occupations. The physical fitness can be achieved by proper nutrition, sufficient rest, moderate to vigorous exercises and others.
The main reason for negative fitness attitudes in physical fitness is C. If the adolescents do not engage in physical activity daily the risk of development of obesity, stunted growth and lack of stamina will become prominent in Americans.