?????? ?????????????? ?????? ????????? ?? ?????? ????????. ????????? ??????? ?????? ????????? ?? ???????...?????? ????????? ?? ??????? ?????? ???????? ??? ????? ????????? ??? ??? ????What exactly is ammonia? Ammonia, also called NH3, is often a colorless gas with a definite odor composed of nitrogen and hydrogen atoms.????????, ?????? ?? ??????? ??