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Pre-Test
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1
Which of the following is not a gas that contributes to the greenhouse effect?
A)Carbon dioxide
B)Methane
C)Ozone
D)Nitrogen oxides
2
Topsoil, groundwater, and biodiversity are nonrenewable resources.
A)True
B)False
3
Keystone species exert a particularly strong influence on the structure and functioning of their ecosystem and must be preserved.
A)True
B)False
4
Which of the following can cause acid rain?
A)Soil erosion
B)Industrial smokestacks
C)A decrease in the ozone layer
D)Clear-cutting forests
E)None of the above
5
A serious drawback to the use of nuclear power is
A)the disposal of radioactive materials.
B)that it cannot provide very much energy.
C)the shortage of radioactive materials.
D)the difficulty in guarding nuclear power plants
E)Both 1 and 4





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