A) helium.
B) carbon dioxide.
C) chlorofluorocarbons.
D) methane.
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Multiple Choice
A) 60 decibels.
B) 70 decibels.
C) 80 decibels.
D) 90 decibels.
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Essay
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True/False
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Multiple Choice
A) It has focused on preventing infectious diseases spread by water,waste,food,rodents,and insects.
B) It encompasses all the interactions of humans and their environment and the health consequences of these actions.
C) Environmental pollutants contribute not only to infectious diseases but chronic diseases.
D) All of these statements are true.
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Multiple Choice
A) 13
B) 26
C) 39
D) 50
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Multiple Choice
A) ceramic tile.
B) boiler wraps.
C) furnaces.
D) ceiling insulation.
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A) AntarcticA.
B) the United States.
C) the equator.
D) Africa.
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Multiple Choice
A) No Canadians have died from contaminated water in the last 10 years.
B) Hazardous chemicals from manufacturing do not infiltrate water systems in Canada.
C) In most areas of Canada,water systems supply adequate,dependable,and safe water.
D) Water shortages are not a concern in the Canada.
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A) radioactive waste.
B) solid waste.
C) sewage.
D) recyclables.
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Multiple Choice
A) carbon dioxide.
B) radon.
C) hydrogen.
D) ozone
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Multiple Choice
A) biodegration
B) recycling
C) septic systemization
D) organic oxygenation
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Multiple Choice
A) environnemental tobacco smoke
B) formaldehyde gas
C) carbon monoxide
D) asbestos
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True/False
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Multiple Choice
A) combustion of fossil fuels.
B) water pollution.
C) acid rain.
D) the destruction of the ozone layer.
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True/False
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Not Answered
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Multiple Choice
A) 1
B) 2
C) 5
D) 10
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Multiple Choice
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.
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Multiple Choice
A) Research has linked exposure to air pollution to reduced birth weight in infants.
B) Air pollution occurs with every pollen bloom.
C) Increased population growth,especially in urban areas,concentrates the problem.
D) Nuclear energy seems to be the solution to air pollution.
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