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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 day
1 week
1 month

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Environmental Science
Blue whale is placed under

Rare
Critically endangered
Endangered
Extinct

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Environmental Science
Minute particles and liquid droplets are collectively called

UV radiation
Aerosols
Ozone
Convection current

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Environmental Science
The blueness of the sky is mainly due to:

Absorption of blue light by the air
The presence of water vapor
Emission of blue light by the atmosphere
The scattering of sunlight by air molecules

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Environmental Science
Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem?

Phosphorus
Carbon
Sulphur
Nitrogen

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Environmental Science
Approximately, 50% of total world species are present on

Tropical rain forest
Temperate rain forest
Temperate deciduous forest
Coral reefs

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