An underground body of water is

A body of water or waterbody is any significant accumalation of water, generally on a planets surface.
The term body of water can also refer to a reservoir of water held by a plant, technically known as a phytotelma.

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.