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Environmental Science

Environmental Science
Soap and detergents are the source of organic pollutants like:

Glycerol
All of these
Polyphosphates
Sulphonated hydrocarbons

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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
Nitrogen, oxygen
Oxygen, hydrogen
Hydrogen, oxygen
Hydrogen, helium

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Environmental Science
Photochemical smog is called

Los Angeles smog
London smog
Tokyo smog
None of these

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Environmental Science
Major cause of Ozone depletion is due to which chemical?

Polyphenols
ChloroFluoroCarbons
Rayon
Dioxins

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Environmental Science
Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of

all of these
numbers
energy
biomass

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Environmental Science
The term "Eco" implies

Ecotone
Ecotourism
Soil
Environment

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MORE MCQ ON Environmental Science

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