APES Ch 18

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What do all volatile organic compounds have in common?

All are gasses in the atmosphere.

Ozone depletion is caused by

CFCs in the stratosphere.

The period from 1980 and 2010 witnessed an increase in which pollutant?

Carbon dioxide

Which statement about indoor air pollution in the United States is false?

Outdoor air pollution has a higher cancer risk than indoor air pollution.

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

Troposphere-stratosphere-mesosphere-thermosphere

In the United States, the highest levels of air pollution from fine particles are found in

West Virginia

Dry deposition occurs when

acidic particulates reach the ground.

Which action would be an ineffective preventive measure for acid deposition? `

adding lime to neutralize the acids

The UV filtering effect of the ozone layer is beneficial because it

allows humans and other forms of life to exist on land.

Burning coal will produce pollutants such as

carbon monoxide, sulfur dioxide and soot.

The stratosphere

contains the ozone layer.

According to environmental scientists, U.S. air pollution control laws would be weakened if

controls on petroleum refineries were relaxed.

Before the 1980s, chlorofluorocarbons (CFCs) were primarily used as

coolants in air conditioners and propellants in aerosol cans.

The chemical that causes most people in developed countries the most difficulty is

formaldehyde

Radon-222 is a colorless, odorless gas that forms

from underground rock and mineral deposits of uranium, shale, and granite.

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

getting worse.

Major air pollutants include

nitrogen oxides, carbon monoxide and dioxide, sulfur compounds, VOCs, and suspended particulate matter

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

primary pollutants

Acid deposition is best classified as a(n)

regional problem.

The atmospheric layer containing 75% of the mass of earth's air is the

troposphere


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