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Environmental Science

Environmental Science
The world's biggest GHG emitter is

USA
India
South Africa
China

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Environmental Science
Example of primary pollutant

hydrocarbons
SO2
NO2
CO

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Environmental Science
What is "temporary threshold shift"?

inaudible noise
Noise that is untolerable
Tolerable noise
Hearing loss due to excessive noise

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Environmental Science
Ecology deals with the study of:

Living beings
Reciprocal relationship between living and non living components
Living and non living components
Environment

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Nitrogen, water vapor
Hydrogen, oxygen
Oxygen, hydrogen
Hydrogen, helium
Nitrogen, oxygen

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Environmental Science
Slip erosion is also known as

Earthquake
Volcano
Floads
landslide

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MORE MCQ ON Environmental Science

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