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.
How many gallons of water are in a metric ton? 1 US gallon = 3.78541178 liters. Only (!) if you mean pure water, then 1000 litres of water as a volume weigh 1 metric tonne.