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Water Pollution: Is It As Big Of A Problem As We Think?
Beginning of Essay
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The following essay will be looking at the factors that cause pollution, and
the effect that pollution has on our world today. It will also investigate what
it has in store for the future if things do not improve. It will also explore
some of the methods used t .... Middle of Essay
.... The living things in the lake need
oxygen to survive. If the oxygen level is depressed to zero, all fish in the
lake die. Any decomposition that does not contain oxygen starts to generate
noxious gases such as Hydrogen Sulfide. Pulp and paper mills, and municipal
sewage causes BOD. Nutrients: Nutrients, particularly nitrogen and phosphorus,
enrich waters and accelerate the aging of lakes and streams. Also, the result
of this is rich plant life which prohibits recreational activities. Plankton
blooms depress oxygen levels (as mentioned before) and therefore, endanger
living organisms. Major sources of nutrients are municipal sewage and
agricultural ....
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Words: 2445 - Pages: 9
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