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Which of the following statements is false?


A) The likelihood of having radon gas in your home depends largely upon the geology and soil types in your region.
B) According to the EPA, toxic air pollutants are generally much more concentrated indoors than outdoors.
C) One of the reasons indoor air pollutants are so dangerous is the high amount of time people are indoors.
D) In the less-developed countries of Africa, Asia, and Latin America, there is less indoor air pollution than in developed countries.
E) All of these statements are true.

F) C) and D)
G) A) and D)

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Worldwide, air pollution control efforts are least advanced or least successful in


A) Major cities of leading industrialized countries
B) Major cities of developing countries
C) Small towns of developing countries
D) Rural areas of industrialized countries
E) Small towns of leading industrialized countries

F) All of the above
G) A) and B)

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________ are examples of secondary pollutants.


A) Aerosols
B) Volatile organic compounds
C) Photochemical oxidants
D) Combustion gases
E) Fugitive emissions

F) B) and E)
G) A) and D)

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Lead is dangerous because it acts as a(n)


A) Neurotoxin
B) Asphyxiant
C) Irritant
D) Respiratory fibrotic agent
E) Carcinogenic agent

F) C) and E)
G) A) and E)

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If stagnant air is trapped in the lung alveoli, the air sac swells and


A) Blood circulation is blocked
B) Cells die from lack of O2
C) Cells die from lack of nutrients
D) The walls of the alveoli break down and are no longer able to exchange gases
E) All of these occur

F) None of the above
G) A) and B)

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Primary pollutants are those that are


A) Released directly in dangerous forms
B) Produced in the greatest quantities
C) The most dangerous
D) The most threatening to people
E) Classified by the EPA as the most dangerous and abundant

F) D) and E)
G) A) and D)

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Human-produced pollutants are different from natural particulates and gases because they are almost always chemically more dangerous.

A) True
B) False

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Carbon monoxide is produced by


A) Normal respiration by animals
B) Normal respiration by plants
C) Incomplete burning of fuels
D) Photochemical oxidation of carbon
E) The burning of sulfur-laden coal

F) B) and E)
G) B) and C)

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___________ ozone is harmful, damaging plants and human health while ozone at the _________ level screens out mutagenic ultraviolet radiation.


A) Stratospheric; troposphere
B) Thermospheric; mesosphere
C) Tropospheric; stratosphere
D) Mesospheric; thermosphere
E) Stratospheric; mesosphere

F) B) and D)
G) B) and C)

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One of the principal ways lakes suffer from acid deposition is that


A) Rocks on the bottom begin to dissolve
B) Fish eggs die and fish populations fall
C) Aquatic vegetation turns yellow
D) Plants grow excessively and choke other life
E) All of these can happen in a lake from acid deposition

F) A) and D)
G) A) and C)

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The "ozone hole" is a depletion currently most serious


A) At the most populated latitudes
B) Over North America
C) In tropical latitudes
D) Near the equator
E) In Antarctica

F) A) and B)
G) A) and C)

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Which of the following criteria pollutants result mainly from burning coal?


A) Photochemical oxidants
B) Sulfur dioxide
C) Suspended particulate materials
D) Methane
E) Carbon monoxide

F) A) and C)
G) A) and E)

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Old power plant facilities have been kept operating, expanding their capacity rather than building new ones because the older facilities have minimal contributions to smog and acid rain.

A) True
B) False

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Ozone is produced by


A) Incomplete burning of fuels
B) Combustion of sulphur-containing fuel
C) Decaying organic matter
D) Photochemical oxidation
E) The burning of coal

F) C) and D)
G) A) and C)

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Los Angeles has especially bad inversion problems because it


A) Lies on a flat space by the ocean
B) Is in a warm climate and is partly ringed by mountains
C) Occupies such a large geographical area
D) Generally has cloudy skies at night
E) All of these are correct

F) B) and D)
G) B) and E)

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The US governmental agency responsible for regulating air pollutants is the


A) National Park Service
B) Fish and Wildlife Service
C) Bureau of Reclamation
D) Bureau of Remediation
E) Environmental Protection Agency

F) A) and D)
G) A) and E)

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Describe the main anthropogenic source(s) and associated human health problem(s) for the following pollutants: lead, mercury, sulfur dioxide, carbon monoxide, carbon dioxide, particulates, and photochemical oxidants.

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Acid precipitation often occurs downwind from dust-producing industries.

A) True
B) False

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The most common human health response to air pollution is


A) Inflammatory responses in sensitive tissues
B) Lung cancer
C) Blindness caused by deteriorating eye tissues
D) Skin cancer
E) Heart disease

F) B) and E)
G) B) and C)

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