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Environmental Science

Environmental Science
Energy resources derived from natural organic materials are called

geothermal energy sources
all of these
fossil fuels
biomass

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Environmental Science
_________ is an on-site conservation method.

National parks
Forests
Zoo
Parks

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Environmental Science
A high Biological Oxygen Demand (BOD) indicates that:

absence of microbial action
High level of microbial pollution
Low level of microbial pollution
water is pure

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Environmental Science
The pyramid of number of a parasitic food chain in forest ecosystem is

sometimes inverted and sometimes upright
always upright
always inverted
mixture of inverted and upright

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Environmental Science
The response of predator to prey and vice-versa, over ten of thousands of years, produces physical and behavioral changes in a process called

Origin
Development
Co-evolution
Evolution

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

4
10
90
50
30

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