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Explain the function of the Air Quality Index (AQI),and describe one of the five air pollutants for which the AQI is used.Next,briefly outline how smog forms,including the key pollutants and environmental conditions required.Finally,list three things individuals can do to help reduce air pollution and prevent smog.

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The Air Quality Index (AQI) is a tool us...

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Levels of atmospheric greenhouse gases are rising in large part because of


A) combustion of fossil fuels.
B) water pollution.
C) acid rain.
D) the destruction of the ozone layer.

E) All of the above
F) B) and C)

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Which of the following is an acronym for a recently introduced type of vehicle that has a high fuel economy rating?


A) SUV
B) AQI
C) HEV
D) CFC

E) A) and C)
F) A) and D)

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The term smog was first used in the early twentieth century to describe the combination of smoke and fog.

A) True
B) False

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When toxic or potentially toxic substances build up in the food chain,the process is called


A) vector transmission.
B) biomagnification.
C) bioloading.
D) radiation sickness.

E) A) and C)
F) A) and B)

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You can help reduce air pollution by doing all of the following EXCEPT


A) cutting back on driving.
B) making sure your home is well-insulated.
C) planting and caring for trees.
D) using fluorescent tubes for lighting.

E) A) and B)
F) A) and C)

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Exposure to _______________ can cause headaches,chronic bronchitis,dizziness,fatigue,and death.


A) pollen
B) volatile organic compounds
C) carbon monoxide
D) asbestos

E) A) and C)
F) All of the above

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Which of the following contributes the LEAST to direct air pollution through their occurrence or operation?


A) forest fires
B) battery-powered golf carts
C) pollen blooms
D) dust storms

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

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Which of the following statements about global warming is TRUE?


A) Global warming will be evenly distributed around the globe.
B) Oceans will warm more than land areas will warm.
C) High latitudes will warm more than low latitudes.
D) The earth's surface temperature is not expected to increase in this century.

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

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According to the World Health Organization,approximately _______________ people do not have access to safe drinking water.


A) 800 million
B) 6 million
C) 1.1 billion
D) 2.3 billion

E) None of the above
F) All of the above

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For the first time in history,there are


A) more young children than parents.
B) more older people than young children.
C) more young children than older people.
D) more older people than parents.

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

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All of the following contribute to degradation of the ozone layer EXCEPT


A) the industrial chemicals in many refrigerators and air conditioners.
B) most currently-available commercial aerosol sprays.
C) some types of rigid foam insulation.
D) the chemicals in some solvents.

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

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B

Of the following diseases,the thinning of the ozone layer is most likely to increase the incidence of


A) lung cancer.
B) lymphoma.
C) skin cancer.
D) leukemia.

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

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Surface water is likely to be contaminated with both organic matter and pathogenic microorganisms.

A) True
B) False

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Which of the following statements about air pollution is FALSE?


A) Research has linked exposure to air pollution to reduced birth weight in infants.
B) Air pollution causes roughly 200,000 deaths in the United States each year.
C) Atherosclerosis in adults is linked to air pollution.
D) The Air Quality Index considers CO,which occurs naturally,the least harmful of key air pollutants.

E) A) and B)
F) B) and C)

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D

Ground-level ozone has been linked with all of the following EXCEPT


A) damage to the lining of the lungs.
B) aggravation of asthma.
C) impaired vision.
D) reduced lung function.

E) A) and D)
F) A) and C)

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Environmental tobacco smoke increases the risk of all of the following EXCEPT


A) cardiovascular disease.
B) bronchitis.
C) asthma.
D) skin cancer.

E) A) and B)
F) A) and C)

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D

The key component of smog is


A) sulfur dioxide.
B) particulate matter.
C) carbon monoxide.
D) ground-level ozone.

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

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A newer source of toxic waste is the disposal of computer components.

A) True
B) False

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The United Nations projects that world population will reach 9.3 billion by


A) 2020.
B) 2050.
C) 2075.
D) 2100.

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

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