Answer:
None
Explanation:
There are no choices to choose from. Reply with the choices and I can assist you.
The answer would be : C. Increase the intensity of cardiovascular workouts
cardiovascular workouts are the best one to increase the target heart rate. By increasing it's intensity, Xavier will increase his heart rate to the point where he managed to achieve his target
hope this helps
False. they are required th have fda approval.
