Which of the following reflect(s) a growing interest in physical activity on the part of the general population?
the large numbers who participate regularly in physical activity
the explosion of career opportunities for college-trained professionals
the growing popularity of college and university programs devoted to the study of physical activity
all of the above

option D

Explanation:

The correct Answer is option D

Large number of people participating in physical activity shows that growing interest among the people to take part in physical activity.

Explosion of career opportunity for college trained professionals encourage people to choose the sport as a career and the people will voluntary opt for it.

Growing popularity of program related to physical activity in the college is the clear example of growing interest in physical activity    

answer; /// i believe its (slavery) to be the correct check luck.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.