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Exam 20: Air Pollution

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Question 21

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What protects humans from air pollution?

A) special cells with arm-like extensions that capture small particles
B) walking away from the direction of the wind
C) a screen-like mesh of fibres within the lung tissue
D) tiny, mucus-coated, hairlike structures called cilia

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

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Question 22

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Which compound is NOT one of the four most dangerous indoor air pollutants?

A) sulphur dioxide
B) cigarette smoke
C) asbestos
D) radon-222

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

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Question 23

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What percentage of U.S.commercial buildings are considered to be "sick" due to indoor air pollutants, according to the EPA?

Which substance creates photochemical smog when it interacts with primary pollutants?

-According to the image, which lakes will be most affected by acid rain?

______________________________ can result from the decomposition of organic wastes in municipal solid-waste landfills as well as from the raising of livestock.

-Which letter in the diagram corresponds to the layer that represents the separation of the mesosphere and stratosphere?

The effectiveness of the pollution prevention approach is best illustrated by the sharp drop in atmospheric lead.

Tall buildings, mountains, and high temperatures all contribute to ________________________________________.

What are the health hazards of carbon monoxide?

Particulates can be removed from stack exhaust gases by wet scrubbers and baghouse filters.

Asthma is a medical condition involving persistent inflammation of the lungs and damage to lung cells.

A(n) ____________________ can be defined as any substance that, when dissolved in water, dissociates to yield corrosive hydrogen ions.

Natural causes of _________________________ include volcano emissions, lightning, and microbial processes.

Which of the following emits fine and ultrafine particles?

Chlorofluorocarbons themselves do not destroy ozone, but certain components of their decay products do.

In which atmospheric layer does most of the Earth's weather occur?

-Which letter in the diagram corresponds to CO, CO₂, SO₂, NO, NO₂, most hydrocarbons, and most suspended particles?

Prior to the Industrial Revolution, the activities of humans resulted in the release of few gases into the atmosphere.But now-due to population growth, fossil fuel burning, and deforestation-the activities of humans are severely disturbing the combination of gases in the atmosphere.

What is the proper definition of acid rain?