1.

Identify the odd term:(i) Industrialization, Population explosion, Mining, Vehicular transport, Dust storms.(ii) Poisoning, asthma, Silicosis, respiratory diseases.(iii) Irritation of eyes, respiratory tract, excess mucus, mental weakness

Answer»

(i) Dust storms (All others are man-made causes environmental degradation.)

(ii) Silicosis (All others are effects of methane.)

(iii) Mental weakness (All other are effects of sulphur dioxide.)



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