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Environmental Science

Environmental Science
The total mass of water vapour stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.

1 year
1 month
1 day
1 week

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Environmental Science
Which of the radioactive material is largely associated with bone cancer

Strontium-90
Radium-226
Thorium-232
Iodine

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Environmental Science
Endemic species are

rare species
cosmopolitan in distribution
species localised in a specific region
critically endangered species

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Environmental Science
The Red Data book which lists endangered species is maintained by

WHO
UNO
IUCN
WWF

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Environmental Science
Solar radiation reaches the earth's surface as:

Visible radiation only
Visible and infrared radiation only
Ultraviolet, visible, and infrared radiation
Ultraviolet radiation only
Infrared radiation only

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Environmental Science
Water pollution is due to

All of these
industrial effluents
agricultural discharges
sewage and other wastes

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