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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 week
1 month
1 day

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Environmental Science
The limitating factor in temperate and boreal forest is

Oxygen
Frost
Nutrients
Sunlight

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Environmental Science
Non-lonizing radiations with specific biological effects are

UV radiations
X-rays
Beta-rays
Gamma rays

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Environmental Science
Noise is measured using sound meter and the unit is

joule
hertz
sound
decibel

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Environmental Science
What is meant by root zone process?

A process by which roots of plants are spread on the ground
A control measure to prevent water pollution
None of these
A control measure to prevent soil pollution

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Environmental Science
Minamata disease was caused by pollution of water by

Lead
Mercury
Methyl iso cyanate
Tin

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