. The waste releases from the factories is mainly harmful for


(a)          aerial organism.

(b)          aquatic organism.

(c)           arboreal organism.

(d)          terrestrial organism.

 

Best Answer

(b)

Explanation: The wastes of many factories contain acids. If they are allowed to flow into the water bodies, the acids will kill fish and other organisms. The factory wastes are, therefore, neutralised by adding basic substances.

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