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Practice Quiz
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1As of 2003, the US had ratified the Kyoto Protocol calling for a reduction in greenhouse gas emissions.
A)True
B)False


2Particulate matter is one of the US EPA's criteria air pollutants in addition to six chemicals.
A)True
B)False


3The majority of sulfur dioxide released to the atmosphere in the US is from
A)Manufacturing industries
B)Coal-burning power plants
C)Wastewater treatment plants
D)None of the above


4The primary source of nitrogen oxides released to the atmosphere is
A)Automobiles
B)Coal-burning power plants
C)Manufacturing industries
D)Chemical companies


5Ground-level ozone is harmful to humans because it can cause
A)Kidney damage
B)Liver damage
C)Lung damage
D)None of the above


6One effect of acid rain on forest environments is to reduce the amounts of calcium and magnesium in the soil, which are required for plant growth.
A)True
B)False


7The ozone layer in the outer atmosphere is environmentally important because it
A)Shields the Earth from UV light radiation
B)Reduces the Earth's temperature in hot regions
C)Reduces the concentration of toxic chemicals in the atmosphere
D)None of the above


8Environmental tobacco smoke, also referred to as secondhand smoke, contains multiple carcinogens.
A)True
B)False


9Some pollutants are called greenhouse gases because they
A)Are beneficial for plant growth
B)Let sunlight enter the atmosphere but slow the loss of heat from the Earth's surface
C)Make up the majority of gases in the atmosphere
D)None of the above


10The most abundant greenhouse gas in the atmosphere is
A)Nitrous oxide
B)Methane
C)Chlorofluorocarbons
D)Carbon dioxide


11The largest quantities of carbon dioxide are put into the atmosphere from
A)Burning of fossil fuels
B)Tree growth
C)Manufacturing facilities
D)All of the above


12Climate change could drastically alter the geographic distribution of types of vegetation and crop yields.
A)True
B)False


13Requiring increased automobile efficiency with reduced emissions would
A)Improve human health
B)Reduce ground level ozone
C)Improve air quality
D)All of the above


14The most important indoor air pollution source in the US in terms of human health is gas such as formaldehyde released from common building materials.
A)True
B)False





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