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In cities like Bombay and Calcutta the m...

In cities like Bombay and Calcutta the major air pollutants are

A

Ozone

B

Carbon monoxide and oxides of Sulphur

C

Hydrocarbons and not air

D

Algal spores and marsh gas

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Verified by Experts

The correct Answer is:
B
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  6. World Summit on Sustanable Development (2002) was held in:

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  11. Montreal protocol aims at:

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