which of the following is a supporting detail for the main idea that exercise is beneficial for health…

which of the following is a supporting detail for the main idea that exercise is beneficial for health? exercise is only for athletes. exercise can improve cardiovascular health. exercise is a waste of time.
Answer
Answer:
B. Exercise can improve cardiovascular health.
Brief Explanations:
The main idea is exercise benefits health. Improving cardiovascular health is a positive - health related effect of exercise, while the other two options oppose or misinterpret the benefits of exercise.