Question

main cause of water pollution

Answer 1

sewage and factory waste

Answer 2

The causes of water pollution include a wide range of chemicals and pathogens as well as physical parameters. Contaminants may include organic and inorganic substances. Elevated temperatures can also lead to polluted water. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers. Elevated water temperatures decrease oxygen levels, which can kill fish and alter food chaincomposition, reduce species biodiversity, and foster invasion by new thermophilicspecies.

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