Answer:
what's the question? I can't answer this if I dont know the question.
A) For it does not require a life long commitment, and it is not C) because it can be any substance not just tobacco!
Thus your answer is A) gradually but completely withdrawing substances from use !
Have a happy life !
:D <span />
Answer:
Keeping you hands up so as to make it easier for your rescuers to find you (and pull you out), using a rescue beacon, and lastly thrashing your arms (although if you are buried, it would help much) to create a pocket of air that you can breathe and can cave in on rescuers is a good way of helping your rescuers find you.
Explanation: