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Environmental Science

Environmental Science
World Forest day is celebrated on

21st March
5th June
7th June
1st Dec

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Environmental Science
Extensive planting of trees to increase forest cover is called

Agroforestry
Deforestation
Social forestry
Afforestation

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Environmental Science
Hippocrates mentioned air pollution in __________ BC.

620
500
400
354

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Environmental Science
Air pollution can be of

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

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Environmental Science
Which country contains about 50% of the world's coal resources?

The former Soviet Union
China
United States
Canada

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Environmental Science
The slow rate of decomposition of fallen logs in nature is due to their

poor nitrogen content
low moisture content
anaerobic environment around them
low cellulose content

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