It is the contamination of water by foreign return much(prenominal) as organisms, chemicals, and industrial or other wastes (Encarta 96). Water has sixer major pollutants. These pollutants are the side by side(p): sewage and other quality O-demanding wastes, sow nutrients, exotic thorough chemicals, petroleum, radioactive substances, and sediments. Sewage and other group O demanding wastes, lead to oxygen depletion to empty out ( Webster?s Dictionary). found nutrients; displace deliver the growth of aquatic plants, which can impede with water uses. exotic organic chemicals including ...If you want to add a full essay, install it on our website: Orderessay
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