Question 1

Severe pollution conditions tend to develop during periods of low pressure systems.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is true about the Earth's atmosphere?

Accepted Answer

A)   It allows gamma rays and X-rays reach the surface.
B)   The ozonosphere and ionosphere shield the surface from harmful radiation.
C)   Variable gases are the dominant gases in the atmosphere.
D)   It is denser at higher altitudes.E) B) and C)
F) A) and D)

Question 3

The aurora occur primarily in the ozonosphere.

Accepted Answer

A) True 
 B)False

Question 4

Based on composition, the atmosphere is divided into

Accepted Answer

A)   one continuous region.
B)   two broad classifications: homosphere and heterosphere.
C)   two functional areas that absorb radiation from the Sun.
D)   the troposphere and the stratosphere.E) None of the above
F) B) and D)

Question 5

The principal gases of the homosphere (by volume) are nitrogen, helium, and argon.

Accepted Answer

A) True 
 B)False

Question 6

Three criteria used for classification of the atmosphere explained in the text are

Accepted Answer

A)   structure, origin, temperature.
B)   structure, origin, evolution.
C)   composition, origin, evolution.
D)   composition, temperature, and function.E) All of the above
F) A) and B)

Question 7

Which of the following is true?

Accepted Answer

A)   Natural sources of air pollution are not a concern in terms of human health.
B)   Natural sources of air pollution are a relatively new occurrence.
C)   Though infrequent, natural events that produce air pollution may cover large areas.
D)   There is no reason to be concerned about natural sources of air pollution.E) A) and B)
F) A) and C)

Question 8

The Clean Air Act

Accepted Answer

A)   has resulted in the significant reduction in various atmospheric pollutants.
B)   is proposed legislation to address climate change.
C)   was ratified by the U.S. Congress in 1987.
D)   has not met its stated objectives.E) B) and C)
F) A) and B)

Question 9

Which anthropogenic air pollutants are least harmful to humans? Most harmful, and in what ways? Which are most damaging to plants?

Accepted Answer

See table 3.4. It lists various pollutan...

Question 10

Which of the following is not true of carbon dioxide?

Accepted Answer

A)   It is critically important in regulating the temperature of the planet.
B)   Today, it far exceeds its natural range of 180 to 300 pp.
C)   It occurs in large amounts in the atmosphere relative to other gases, such as nitrogen and oxygen.
D)   Overall, atmospheric CO₂ has increased by 16% from 1992 to 2012.E) None of the above
F) A) and B)

Question 11

What is the environmental lapse rate, and which part of the atmosphere is it relevant?

Accepted Answer

Temperatures decrease with increasing al...

Question 12

What two pollutants react with water to produce acid rain?

Accepted Answer

A)   sulfur oxides and nitrogen oxides
B)   sulfur oxides and ozone
C)   nitrogen oxides and ozone
D)   sulfur oxides and PANE) B) and C)
F) C) and D)

Question 13

The amount of C  in the atmosphere is higher now than any time in the last 800,000 years.

Accepted Answer

A) True 
 B)False

Question 14

The Clean Air Act

Accepted Answer

A)   is no longer in effect.
B)   did not result in significant reductions of any major air pollutants.
C)   was made stronger during the Reagan administration.
D)   has saved the country several trillion dollars.E) A) and D)
F) A) and C)

Question 15

Particulate matter has been associated with higher medical expenses.

Accepted Answer

A) True 
 B)False

Question 16

The thermosphere closely corresponds to

Accepted Answer

A)   the ionosphere.
B)   the heterosphere.
C)   the homosphere.
D)   the exosphere.
E)   both the ionosphere and the heterosphere.F) None of the above
G) A) and E)

Question 17

So far, the Arctic region has been free of air pollution.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following lists the correct sequence of gases, from most to least, in terms of percentage within the homosphere?

Accepted Answer

A)   nitrogen, argon, oxygen, xenon, carbon dioxide
B)   nitrogen, oxygen, argon, carbon dioxide, trace gases
C)   oxygen, ozone, nitrogen, PAN, carbon dioxide
D)   oxygen, nitrogen, neon, hydrocarbons, carbon dioxideE) None of the above
F) A) and B)

Question 19

The ozone hole has almost completely recovered.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following best describe conditions in the mesosphere?

Accepted Answer

A)   Temperatures rapidly increase with altitude in the mesosphere.
B)   High altitude noctilucent clouds form in the mesosphere.
C)   The mesosphere is completely within the heterosphere.
D)   The mesosphere is located between the troposphere and the stratosphere.E) All of the above
F) C) and D)

Exam 3: Earths Modern Atmosphere

Based on composition, the atmosphere is divided into

Correct AnswerverifiedShow Answer

Which of the following is true about the Earth's atmosphere?

Correct AnswerverifiedShow Answer

What two pollutants react with water to produce acid rain?

Correct AnswerverifiedShow Answer

Which of the following is true?

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Which anthropogenic air pollutants are least harmful to humans? Most harmful, and in what ways? Which are most damaging to plants?

Correct AnswerverifiedSee table 3.4. It lists various pollutan...View AnswerShow Answer

The principal gases of the homosphere (by volume) are nitrogen, helium, and argon.

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Which of the following best describe conditions in the mesosphere?

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The ozone hole has almost completely recovered.

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The aurora occur primarily in the ozonosphere.

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The amount of C in the atmosphere is higher now than any time in the last 800,000 years.

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Three criteria used for classification of the atmosphere explained in the text are

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Which of the following is not true of carbon dioxide?

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The Clean Air Act

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The thermosphere closely corresponds to

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The Clean Air Act

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Particulate matter has been associated with higher medical expenses.

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Severe pollution conditions tend to develop during periods of low pressure systems.

Correct AnswerverifiedShow Answer

What is the environmental lapse rate, and which part of the atmosphere is it relevant?

Correct AnswerverifiedTemperatures decrease with increasing al...View AnswerShow Answer

Which of the following lists the correct sequence of gases, from most to least, in terms of percentage within the homosphere?

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So far, the Arctic region has been free of air pollution.

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See table 3.4. It lists various pollutan...
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Temperatures decrease with increasing al...
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