Question

To improve your cardiovascular fitness:

A. Include a minimum of 20-30 minutes of aerobic activity 3-4 times a week.
B. Use weights or resistance to build your muscles.
C. Perform push ups and curl ups daily.
D. Stretch every day.

Answer 1

The answer is A for edmentun

Answer 2

A. Include a minimum od 20-30 minutes of aerobic activity 3-4 times a week

Step-by-step explanation:

Though all answers will help your body and cadiovascular system, A seems like the best answer since it will help improve your system the most.