The main source of BOD in the Ganga river is | vedclass

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(C) The $BOD$ (Biochemical Oxygen Demand) is a measure of the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic m

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Human waste

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(C) The $BOD$ (Biochemical Oxygen Demand) is a measure of the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic matter present in a given volume of water.In the Ganga river,the primary source of organic pollution is the discharge of untreated sewage,which consists largely of human waste.As this organic matter enters the river,microorganisms consume oxygen to break it down,leading to a significant increase in $BOD$ levels.Therefore,human waste is the main contributor to the high $BOD$ in the Ganga river.

The main source of $BOD$ in the Ganga river is .....

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