Fish die in water bodies polluted by sewage due to

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Fish die in water bodies polluted by sewage due to

Options

(a) pathogens
(b) Clogging of gills
(c) Decreases in D.O
(d) Foul smell

Correct Answer:

Decreases in D.O

Explanation:

Microorganisms from sewage consume all dissolved oxygen and fish get deprived of this oxygen and ultimately die.

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Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)

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