Answer:
Closed systems do not exchange energy with the environment, while open systems do.
Explanation:
hope this helps<3
Answer:
I would think for it to be A. Breaks the rules of a game.
Explanation:
Can not be B. If you don't know rules you would not be allowed to play first of all.
Cannot be C. Being a friend with an opposer has nothing to do with fouls.
Cannot be D. Just because he/she doesn't score any points, does not mean they didn't help or defend.
Answer: A muscle strength
Explanation:
Because you can’t do anything without it
An inhaler, take 2x a day. Breathing in steam, steam cleanses the air. A nebulizer will help too.