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Radon is a radioactive gas found in certain soils,rocks,and natural building materials.

A) True
B) False

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Fibers from asbestos can lodge in the lungs and cause a condition called asbestosis.

A) True
B) False

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Which of the following does NOT contribute to air pollution?


A) forest fires
B) battery-driven golf carts
C) blooming flowers
D) dust storms

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

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What is the core reason for many of today's environmental problems?


A) air pollution
B) water pollution
C) dependence on nuclear power
D) rapid population growth

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

Correct Answer

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Which of the following is likely to emit the lowest amount of greenhouse gases?


A) an SUV
B) an HEV
C) a conventional midsize car
D) a conventional compact car

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

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Which of the following is NOT a factor that directly affects population control?


A) fertility rates
B) habitat destruction
C) death rates
D) availability of family planning

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

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Release of ______ into the atmosphere is the primary cause of the depletion of the ozone layer.


A) chlorofluorocarbons
B) fluorine
C) PCBs
D) ethanol

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

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Which of the following about the earth's polar ice caps is TRUE?


A) Global warming could cause the polar ice caps to melt.
B) The extreme cold from the ice caps is slowing the rate of global warming.
C) Experts now believe that polar ice melting will not be a problem for future generations.
D) Polar ice melts help to stabilize global weather patterns.

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

Correct Answer

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The warming of the earth due to buildup of carbon dioxide and other gases is termed the greenhouse effect.

A) True
B) False

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

A) True
B) False

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Kelly is concerned about protecting her town's water supply.List and describe five recommendations related to that goal.

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Answered by ExamLex AI

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1. Implement strict regulations on indus...

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A long-term health threat associated with polychlorinated biphenyls (PCBs) is


A) arthritis.
B) mental retardation.
C) cancer.
D) birth defects.

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

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A naturally occurring metal found in some foods and consumer products that has been linked to brain,kidney,and gastrointestinal tract damage is


A) mercury.
B) silver.
C) aluminum.
D) iron.

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

Correct Answer

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Factors that may limit human population growth include all of the following EXCEPT


A) improved health.
B) better education.
C) employment opportunities for women.
D) traditional religious belief.

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

Correct Answer

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