Water is a necessity to life on earth. All organisms contain it, some drink it, and others inhabit it. Plants and animals require water that is moderately pure, and they cannot survive if their water is affluent with toxic chemicals and/or harmful microorganisms. If severe, water pollution can kill large numbers of fish, birds, and other animals, in some cases killing all members of a species in an affected area. Water pollution is not …showed first 75 words of 3603 total…

…showed last 75 words of 3603 total…X.N., (2004). Effects of the oil spill from the Prestige on the environment and its subsequent regeneration. Lloyd's List Events, London, UK 3.<Tab/>Cushing, B. S., (1998) Dredging as a feasible technology for contaminated sediment removal. Water, Environment & Technology. 4.<Tab/>West, J. E., (1997) Protection and Restoration of Marine Life. Environmental Report Series: Number 6. 5.<Tab/>Dethier, M.N., (1990) A Marine Classification System. WDNR.