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Online Quiz
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1
What is the largest source of carbon monoxide pollution of the atmosphere?
A)coal-burning power plants
B)automobiles
C)natural gas-burning power plants
D)heating
2
Increased ozone in the lower atmosphere (near the ground) results primarily from
A)automobile exhaust
B)carbon dioxide pollution
C)CFC pollution
D)all of the above
3
Increasing carbon dioxide in the atmosphere contributes significantly to
A)smog
B)global warming
C)ozone depletion
D)all of the above
4
Which process removes carbon dioxide from the atmosphere?
A)respiration
B)photosynthesis
C)decay of organic matter
D)combustion of fossil fuels
5
Which process adds carbon dioxide to the atmosphere?
A)respiration
B)combustion of fossil fuels
C)decay of organic matter
D)all of the above
6
Particulate air pollution is
A)carbon dioxide
B)dust
C)nitrogen oxides
D)all of the above
7
The bulk of sulfur dioxide air pollution comes from
A)automobiles
B)volcanic eruptions
C)coal combustion
D)natural gas combustion
8
Sulfur dioxide in the atmosphere contributes to
A)global warming
B)acid rain
C)the greenhouse effect
D)all of the above
9
The ozone hole in the upper atmosphere results primarily from
A)automobile exhaust
B)carbon dioxide pollution
C)CFC pollution
D)all of the above
10
Smog is the product of atmospheric pollution by
A)carbon dioxide
B)sulfur dioxide
C)nitrogen oxides
D)CFCs
11
The ozone hole in the upper atmosphere causes
A)smog
B)increased cancer risk
C)global warming
D)acid rain
12
Most atmospheric lead comes from
A)automobile exhaust
B)lead pipes
C)lead-based paint
D)batteries
13
Which is a significant source of heavy metal pollution of the atmosphere?
A)leaky air-conditioning systems
B)smelters
C)propellants
D)natural gas-burning power plants
14
A low pH, such as 2, means
A)a high concentration of hydrogen ions
B)a low concentration of hydrogen ions
C)alkaline conditions
D)basic conditions
15
Radon in homes comes from
A)the soil
B)carbon monoxide pollution
C)natural gas-burning furnaces
D)fuel oil burning-furnaces
16
Acidification of surface water by acid rain is most likely to occur in areas underlain by which type of rock?
A)limestone
B)dolomite
C)volcanic rocks
D)granite
17
A thermal inversion aggravates the effects of which of the following?
A)ozone hole
B)smog
C)acid rain
D)radon
18
Scrubbers can effectively remove which pollutant from smokestack emissions?
A)ozone
B)radon
C)sulfur
D)nitrogen
19
In the U.S., the Clean Air Act Amendments were passed in what year?
A)1960
B)1970
C)1980
D)1990
20
The greatest improvement in U.S. air quality since 1940 has been the reduction in
A)particulates
B)carbon monoxide
C)nitrogen oxides
D)sulfur oxides
21
Which reservoir for carbon dioxide has the longest residence time?
A)plant tissue
B)ocean
C)atmosphere
D)limestone
22
Which pollutant is a radiation hazard?
A)ozone
B)radon
C)smog
D)nitrogen oxides
23
Nitrogen oxides in the atmosphere contribute to
A)global warming
B)acid rain
C)the greenhouse effect
D)all of the above
24
Hydrocarbon emissions from automobiles are reduced by
A)burning unleaded fuel
B)using a scrubber
C)catalytic converters
D)all of the above
25
What agency enforces air quality standards in the U.S.?
A)Council on Environmental Quality
B)Department of Energy
C)Department of Natural Resources
D)Environmental Protection Agency





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