Answer:
Option C is the correct answer.
Step-by-step explanation:
Aerobic exercise is also known as cardio and it refers to physical exercise of low to high intensity. It mainly depends on the aerobic energy-generating process. The word aerobic refers to relating to, requiring or involving free oxygen. This type of exercise strengthens the muscles that help us breathe and it is carried out for a sustained period of time. It can help reduce the rick of heart or lung disease, not to eliminate it. So C is the answer.