a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Answer:
Acting out, change in mood going at a faster pace than normal, eating habits change
Explanation:
I will try to give you the best answer by completing your statement.
During a marathon, approximately 99% of your muscles needs are met by the OES or Oxygen Energy System. Energy systems are the ones encharge of distributing the energy you need for a certain act.
Prevention is important for ones health status because if someone is not participating in a certain act it cannot harm or do good to them .
The answer is D. weight control is the primary benefit of exercise
