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Which of the following is NOT a primary source of water pollution?

Option: 1

Agricultural runoff

Option: 2

Industrial discharge

Option: 3

Municipal wastewater


Option: 4


Answers (1)


Rainwater is generally considered to be a natural source of freshwater and is not considered a source of pollution. Agricultural runoff, industrial discharge, and municipal wastewater are all primary sources of water pollution that can have negative impacts on water quality.

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Anam Khan

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