Definition of FEN. : low land that is covered wholly or partly with water unless artificially drained and that usually has peaty alkaline soil and characteristic flora (as of sedges and reeds).
The average American family uses more than 300 gallons of. water per day at home. Roughly 70 percent of this use occurs. indoors. In addition, there are other miscellaneous uses of water in the house which may be very significant, depending on the. degree of water conservation by the household.
Rating Newest Oldest. Best Answer: There is about 320,000,000,000,000,000 gallons of water on the earth. Which means about 71% covers the surface and the average depth of water on earth is a few thousand feet. 98% of the water on earth is salt and 2% is fresh. Source(s): Tripod Â· 4 years ago.