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How has water pollution cause ill health,crises or disasters
There are several classes of water pollutants. The first are disease-causing agents. [ These are bacteria, viruses, protozoa and parasitic worms that enter sewage systems and untreated waste. A second category of water pollutants is oxygen-demanding wastes; wastes that can be decomposed by oxygen-requiring bacteria. When large populations of decomposing bacteria are converting these wastes it can deplete oxygen levels in the water. This causes other organisms in the water, such as fish, to die. A third class of water pollutants is water-soluble inorganic pollutants, such as acids, salts and
toxic metals. Large quantities of these compounds will make water unfit to drink and will cause the death of aquatic life. Read more: ]
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Expert answered|selymi|Points 10586|
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Asked 5/29/2013 11:37:46 AM
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