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Environmental Science

Environmental Science
Air pollution can be of

b only
artificial or man made origin
both a and b
natural origin

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Environmental Science
Viable material of endangered species can be preserved by

Herbarium
Gene pool
Gene library
Gene bank

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Environmental Science
The darkening of the skin due to arsenic poisoning is called

Black syndrome
None of these
Skin scaling
Diffuse melanosis

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Environmental Science
The major reservoir of carbon is

The atmosphere
Ocean Bed
Rock
Plant and animals

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Environmental Science
The concept that 'population tends to increase geometrically while food supply increases arithmetically' was put forward by

Thomas Malthus
Adam Smith
Charles Darwin
Stuart Mill

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Environmental Science
Rising air cools by this process:

Compression
Condensation
Evaporation
Expansion

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