Julia Is Designing a Public Service Message Designed to Encourage

Julia is designing a public service message designed to encourage adults to engage in moderate exercise. To be most effective, her message should address

A) weight gain experienced by sedentary adults as they age.
B) decreased flexibility associated with lack of exercise.
C) positive mood and enhanced well-being associated with aerobic exercise.
D) decreased bone density as they age.
E) the strongest arguments in the middle of her message.