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Environmental Science

Environmental Science
Air pollution can be of

b only
natural origin
both a and b
artificial or man made origin

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Environmental Science
Lotic ecosystem refers to

Static water system
Deep marine water system
Ecosystem of flowing water
Ecosystem of estuaries

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Environmental Science
Environmental Protection Act was introduced in the year

1986
1988
1989
1972

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Environmental Science
Oil derived from coal, oil shales or tar sands is called

natural gas
syncrude
biomass
None of these

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Environmental Science
"Silent Spring" is a well known book written by

Aldoleopold
Charles Darwin
Rachel Carson
John Miller

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Environmental Science
The resources that are derived from bio-mass of living organisms are called ________ resources.

natural
non-renewable
renewable
environmental

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