Indiscriminate use of water by increasing population and industrial expansion has led to degradation the quality of water considerably evaluate the statement.
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The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

Ithink its convection.hope this plz give brainliest!