Mention any 5 cause for the river pollution???

1.	Mention any 5 cause for the river pollution???
Answer» The factories discharge their effluent in the nearby rivers which cause water pollution 2.The disposal of sewage of urban centers into the river is also responsible for water pollution.3.The over use of fertilizer and pesticides also pollute the water.4. Water in oceans get polluted by the lekage of oil from oil tankers

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