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1. 8/14/17, 2:30 PMEnvironmental Science | Multiple Choice Quiz
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Environmental Science: A Study of Interrelationships, 8/e
Eldon Enger, Delta College
Bradley F. Smith, Western Washington University
Air Quality Issues
Multiple Choice Quiz
Please answer all questions
1 Which gas exists in the highest concentration in the Earth's atmosphere?
A) hydrocarbons
B) ozone
C) oxygen
D) nitrogen
E) carbon dioxide
2 Sulfur dioxide, carbon monoxide, and particulates are all examples of primary
air pollutants.
A) True
B) False
3 Which of the following is true about carbon monoxide?
A) single largest source is from internal combustion engines
B) results from the actions of ultraviolet light on ozone
C) causes acid rain
D) leading cause of cancer in smokers
E) none of the above is true
4 Which of the following is true about sulfur dioxide?
A) can create smog
B) can create sulfuric acid, especially in the presence of particulates
C) released through the combustion of sulfur containing fossil fuels
D) all of the above are true about sulfur dioxide
E) none of the above are true about sulfur dioxide
5 Photochemical smog results from the mixing of ultraviolet light and carbon
dioxide in the atmosphere.
A) True
B) False
6 Lead emissions since the early 1980s have
A) remained about the same.
B) decreased due to lead free gasoline.

2. 8/14/17, 2:30 PMEnvironmental Science | Multiple Choice Quiz
Page 2 of 3http://highered.mheducation.com/sites/0072315474/student_view0/chapter17/multiple_choice_quiz.html
C) increased because developing countries generally do not use lead
free gasoline and are using automobiles at higher rates.
7 Technological controls for particulates in industry include
A) scrubbers.
B) precipitators.
C) filters.
D) none of the above.
E) all of the above.
8 Sulfur dioxide contributes to all of the following problems except
A) damage to buildings.
B) acid rain.
C) death of vegetation.
D) loss of biodiversity in aquatic ecosystems.
E) photochemical smog.
9 What percentage of total world production of carbon dioxide do the developed
countries contribute?
A) less than 1%
B) about 25%
C) about 50%
D) about 75%
E) almost 100%
10 According to the United Nations Intergovernmental Panel on Climate Change,
the global average temperature has increased by 0.3-0.6°C and the water level
has increased by 10-25 cm in the last 100 years.
A) True
B) False
11 Which of the following is not a likely result of global warming?
A) rising sea level
B) increased agricultural productivity worldwide
C) worsening health effects
D) increased storm frequency and intensity
E) all of the above are likely results of global warming
12 Which of the following is not a major contributor to the greenhouse effect?
A) carbon dioxide
B) carbon monoxide
C) chlorofluorocarbons
D) methane gas
E) nitrous oxide
13 Since 1960, the atmospheric concentration of CO2 has increased by about 14%.
A) True
B) False
14 Ozone depletion is caused by
A) nitrous oxide.
B) carbon dioxide.

3. 8/14/17, 2:30 PMEnvironmental Science | Multiple Choice Quiz
Page 3 of 3http://highered.mheducation.com/sites/0072315474/student_view0/chapter17/multiple_choice_quiz.html
C) chlorofluorocarbons.
D) methane.
E) all of the above.
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