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

Option: 1

Agricultural activities


Option: 2

Industrial discharges


Option: 3

Domestic sewage


Option: 4

Groundwater recharge


Answers (1)

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Groundwater recharge is the process of replenishing the groundwater supply. It is not a primary source of water pollution. Agricultural activities, industrial discharges, and domestic sewage are all primary sources of water pollution.

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