The answer is sweat glands, not sweet glands :)
Pretty much all the other answers don't come even close for consideration. Small intestines have no way of excreting salts and water outside our body and neither do adrenal glands (these are resposible for the release of different hormones).
C. Dehydration
If the body loses water, then it obviously needs more.
Answer:
d
Explanation:
because if you put half the amount of nicotine per cigarette they will still want to buy 2 the amount of cigarettes.