Essay --

Less than 1% of the water supply on earth cigaret be commitd as drinking water.By the time a person feels thirsty, his or her body has lost over 1 portion of its total water amount.About 25,700 litres (6,800 gallons) of water is required to grow a days food for a family of four.A child dies every 8 seconds from water-related disease.Groundwater back take a humankind lifetime just to traverse a mile. A person can live about a month without food, but only about a week without water. If a human does not absorb enough water dehydration is the result.Most of the earths lift water is permanently frozen or salty.If all the worlds water were control into a gallon jug, the fresh water available for us to use would equal only about one tablespoon When water contains a lot of calcium and magnesium, it is called hard water. Hard water is not suitable for all purposes water is normally used for. An acre of corn will empower off 15,000 litres (4,000 gallons) of water per day in evaporatio n.A small expend from a faucet can waste as much as 75 litres of water a day. Of all the water on earth, o...