Foul smell in the water tanks, ponds etc, is due to: — Answer & Explanation | PrepBeePakistan

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MEDIUMENGLISHAgriculture

Foul smell in the water tanks, ponds etc, is due to:

Correct answer: A

Explanation

Foul smells in stagnant water are caused by anaerobic bacteria producing gases like hydrogen sulfide and methane during decomposition without oxygen.

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