It depends, in Europe, you mainly can be 18, however, in America the limit is 21.
Your stressing your self out, you will wont start to lose your muscle mass
I feel as if it is false, but I'm not sure. Which class is this for?
Answer:
Sports in which only one player per team competes at a time, with individual scores counting toward the team score.
Explanation:
Examples include track and swimming.
1. Proteins
2. Body composition
3.Flexibility
4. Weight management
5.Carbohydrated