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Environmental Science

Environmental Science
_________ is an important factor that aggravates the effect of drought.

Soil Erosion
Deforestation
Floods
Acid Rain

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Environmental Science
Commonly used radioactive isotopes in scientific research

32 P
all of these
14 C
125 I

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Environmental Science
The combined albedo of the earth and the atmosphere is approximately ____ percent.

4
50
30
90
10

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Environmental Science
The pyramid of biomass is inverted in

tundra
forest ecosystem
grassland ecosystem
fresh water ecosystem

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Environmental Science
Abbreviation for NGO is

non-governmental office
non-governmental organization
national-governmental organization
national-geographical organization

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Environmental Science
What is the major cause of diminishing wildlife number?

Paucity of drinking water
Habitat destruction
Felling of trees
Cannibalism

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