Due to human demand because of its importance to life, the earth's most precious resource is a. soil. b. saltwater. c. freshwater. d. oil.

C. Freshwater
freswater because it helped since the time of the egyptians so far, because without water we could not survive as well it helps the environment one exmple is the water cycle, and other many reason why water is important, water always will be important for the human necessities

There is totally sun all the way down there.