D. All of the above will increase the chance that a persons fitness program will be successful.
On the leeward side of a mountain range. In order for most rain bearing cloude to cross a mountain range, they must first be depleted of their moisture via precipitation. Then they will be lighter and can rise up to a higher elevation to cross over the mountain range where they will no longer be able to provide much precipitation.
The person may have a hard time breathing or a heart attack
Those are really wacky answers to choose from. It isn't B.They are usually man made. It's not C. we still need to be careful. It is not D. It is always your responsibility for whatever you do. It shouldn't be A, but that would kind of make sense. I would choose A.