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Rivers get polluted when the factories dump their waste to the rivers. Farmers use a spray to kill unessary plants that grow in their fields, then this spray goes to the river and pollutes it. Oil spill also causes river pollution. People throw litter in the rivers that may harm the wildlife in the river.

Rivers get polluted because people put water back in rivers before it is clean.

By using them to dispose of waste such as sewage.

Read more: How_do_rivers_get_polluteddude ur a stupid piece of FK dude. I think ur mom went out side and gave birth to 60 more children with 9000 more men because ur her worst child she ever gave birth to

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14y ago

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