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Most of the world's forests and lakes are being destroyed or seriously harmed by acid deposition.

A) True
B) False

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Sick Building Syndrome is not correlated with ____.


A) headaches
B) coughing and sneezing
C) lung cancer
D) chronic fatigue
E) depression

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

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 Use the Figure above to answer the following question(s). -Choose the layer that contains ozone,which keeps approximately 95% of the sun's ultraviolet radiation from reaching the earth's surface.Use the Figure above to answer the following question(s). -Choose the layer that contains ozone,which keeps approximately 95% of the sun's ultraviolet radiation from reaching the earth's surface.

Correct Answer

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It would be ineffective to prevent lead poisoning by ____.


A) phasing out waste incineration
B) banning the use of lead pencils in schools
C) banning lead glazing on ceramic ware used to serve food
D) banning the use of lead solder
E) banning candles with lead cores

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

Correct Answer

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Ozone depletion is caused by ____.


A) chlorofluorocarbons (CFCs) in the troposphere
B) CFCs in the stratosphere
C) global warming
D) the greenhouse effect
E) cold air in the polar regions

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

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What do all volatile organic compounds have in common?


A) All are gasses in the atmosphere.
B) All are produced from manmade sources.
C) All are emitted for processing and/or burning fossil fuels.
D) All are colorless,odorless reactive gases.
E) All are naturally occurring colorless and odorless gases found in rocks and vegetation.

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

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Seventy-five to eighty percent of the earth's air mass is found in the ____________________.

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Chlorofluorocarbon (CFC)molecules have a short lifespan in the stratosphere.

A) True
B) False

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Over the past 30 years,the quality of outdoor air in most developed countries has greatly improved.

A) True
B) False

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Which of the following statements is true?


A) Temperature inversion occurs when a layer of cold air prevents warm air from rising.
B) Temperature inversions make pollution problems worse.
C) Temperature inversions last only a few minutes to a few hours.
D) Normally,cool air near earth's surface expands and rises,carrying pollutants higher into the troposphere.
E) Temperature inversions help prevent air pollution

F) All of the above
G) C) and D)

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Which statement about acid deposition is false?


A) Forty-five U.S.states have issued warnings to not eat fish.
B) Low pH increases plant nutrients in forest soils.
C) Several thousand lakes in Norway and Sweden contain few fish.
D) Crops are harmed by low pH.
E) Mountaintop forests are the hardest hit regions.

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

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Air pollution in the urban areas of many less-developed countries is ____.


A) getting much better
B) remaining about the same
C) getting a little better
D) getting worse
E) at crisis levels

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

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Methane is twenty times more effective at warming the atmosphere than is carbon dioxide.

A) True
B) False

Correct Answer

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People are exposed to lead via ____.


A) peeling paint and dust in older homes
B) traveling on air planes
C) emissions from nuclear plants
D) eating contaminated fish
E) living in an earthquake prone region

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

Correct Answer

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Photochemical smog is formed when primary pollutants interact with ____.


A) sunlight
B) water vapor
C) sulfur dioxide
D) oxygen
E) carbon

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

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Secondary pollutants can be classified by the source of pollution,such as stationary sources or mobile sources.

A) True
B) False

Correct Answer

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The biggest air pollution threat to poor people is ____.


A) badly maintained automobiles
B) pollutants from industry
C) indoor air pollution
D) smoke from burning forests
E) dust blown into the air

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

Correct Answer

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What term refers to harmful chemicals emitted directly into the air from natural processes and human activities?


A) secondary pollutants
B) direct smog
C) photochemical smog
D) tertiary pollutants
E) primary pollutants

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

Correct Answer

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What is the correct sequence of layers of the atmosphere from innermost to outermost?


A) mesosphere-stratosphere-thermosphere-troposphere
B) troposphere-stratosphere-mesosphere-thermosphere
C) stratosphere-thermosphere-troposphere-mesosphere
D) thermosphere-stratosphere-mesosphere-troposphere
E) thermosphere-mesosphere-stratosphere-troposphere

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

Correct Answer

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Most of earth's climate occurs in the ____.


A) troposphere
B) thermosphere
C) mesosphere
D) stratosphere
E) tropopause

F) D) and E)
G) All of the above

Correct Answer

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