1.

Among the following what are the reasons for deteriorating of quality and quantity of ground water ? 1) Contamination of ground water from industrial waste 2) Dumping of all kinds of waste and toxic substances 3) Constructing check dams A) 1, 2 B) 2, 3 C) 1, 3 D) 1, 2, 3

Answer»

Correct option is A) 1, 2



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