Question 1

When the Sun is active,

Accepted Answer

A) the thermopause lies closer to Earth's surface. 
B) the thermopause extends farther from the surface of Earth. 
C) the thermosphere temporarily ceases to exist. 
D) the gases in the thermosphere become uniformly mixed. 
E) there is no change in the thermopause. 
A) the thermopause lies closer to Earth's surface. 
B) the thermopause extends farther from the surface of Earth. 
C) the thermosphere temporarily ceases to exist. 
D) the gases in the thermosphere become uniformly mixed. 
E) there is no change in the thermopause. B

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

Based on the criteria of composition,the atmosphere is divided into two broad regions: the ionosphere and the ozonosphere.

Accepted Answer

A) True 
 B)False  False

Question 4

The three stable (i.e. ,nonvariable)gases in the atmosphere,in order of abundance from most to least,are

Accepted Answer

A) carbon dioxide,argon,oxygen. 
B) oxygen,carbon dioxide,argon. 
C) nitrogen,oxygen,argon. 
D) oxygen,argon,nitrogen. 
E) nitrogen,argon,oxygen. 
A) carbon dioxide,argon,oxygen. 
B) oxygen,carbon dioxide,argon. 
C) nitrogen,oxygen,argon. 
D) oxygen,argon,nitrogen. 
E) nitrogen,argon,oxygen.

Question 5

Lewis Thomas,in his book The Lives of the Cell,compared Earth's atmosphere to

Accepted Answer

A) a layer of human skin. 
B) the membrane of a cell. 
C) a layer of water. 
D) the covering of soil over a rock. 
E) onion skin 
A) a layer of human skin. 
B) the membrane of a cell. 
C) a layer of water. 
D) the covering of soil over a rock. 
E) onion skin

Question 6

The ozonosphere is critical to life because it

Accepted Answer

A) affects temperatures. 
B) absorbs visible light wavelengths. 
C) absorbs most ultraviolet wavelengths. 
D) produces the auroras. 
E) provides free oxygen at the surface. 
A) affects temperatures. 
B) absorbs visible light wavelengths. 
C) absorbs most ultraviolet wavelengths. 
D) produces the auroras. 
E) provides free oxygen at the surface.

Question 7

Particulate matter

Accepted Answer

A) is,by definition,larger than 100 microns. 
B) can include material in smoke. 
C) has not yet been studied by scientists. 
D) has not been associated with health risks. 
E) is made up solely of solid material. 
A) is,by definition,larger than 100 microns. 
B) can include material in smoke. 
C) has not yet been studied by scientists. 
D) has not been associated with health risks. 
E) is made up solely of solid material.

Question 8

The normal lapse rate for temperature decreases is an average of 3°C per 1000 m.

Accepted Answer

A) True 
 B)False

Question 9

The first major statement proposing the interaction of CFCs and stratospheric ozone was made in the 1970s.

Accepted Answer

A) True 
 B)False

Question 10

First discuss the important role of ozone in the ozonosphere.Then examine the chemical reactions that lead to its destruction.

Accepted Answer

The ozone layer, also known as the ozono

Question 11

Joseph Kittinger

Accepted Answer

A) measured air pressure for the first time in the 1960s. 
B) was the first human to experience the stratosphere. 
C) discovered stratospheric ozone losses. 
D) was first to measure acid deposition in North America. 
E) is considered the father of atmospheric science. 
A) measured air pressure for the first time in the 1960s. 
B) was the first human to experience the stratosphere. 
C) discovered stratospheric ozone losses. 
D) was first to measure acid deposition in North America. 
E) is considered the father of atmospheric science.

Question 12

The atmosphere exerts an average force of approximately 1 kg· $ \mathrm{cm}^{-2} $at sea level.

Accepted Answer

A) True 
 B)False

Question 13

List and describe the four main gases of the homosphere.Which is least important to life?

Accepted Answer

The answer of List and describe the four main gases...

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is  false?

Accepted Answer

A) surface air pressures on Venus and Earth are the same. 
B) air molecules exert air pressure through their motion,size,and number. 
C) the atmosphere exerts a force of 1 kg· $ \mathrm{cm}^{-2} $ . 
D) air pressure decreases with increasing altitude. 
E) pressure is exerted on all surfaces in contact with air. 
A) surface air pressures on Venus and Earth are the same. 
B) air molecules exert air pressure through their motion,size,and number. 
C) the atmosphere exerts a force of 1 kg· $ \mathrm{cm}^{-2} $ . 
D) air pressure decreases with increasing altitude. 
E) pressure is exerted on all surfaces in contact with air.

Question 16

Carbon dioxide is currently increasing at the rate of 3.1% per year.

Accepted Answer

A) True 
 B)False

Question 17

Sources of natural variable gases and materials include all of the following except

Accepted Answer

A) flooding. 
B) landslides. 
C) plants and decaying plants. 
D) surface heating. 
E) wind. 
A) flooding. 
B) landslides. 
C) plants and decaying plants. 
D) surface heating. 
E) wind.

Question 18

Which of the following is true regarding the depletion of ozone in the ozonosphere?

Accepted Answer

A) depletion is restricted to the arctic and antarctic regions. 
B) depletion results from chemical reactions with chlorine that is derived from CFCs. 
C) depletion results from the burning of fossil fuels. 
D) the notion that ozone is being depleted as a result of human activity is pure conjecture and has little scientific evidence to support it. 
E) depletion is not occurring,atmospheric ozone is increasing throughout all layers of the atmosphere. 
A) depletion is restricted to the arctic and antarctic regions. 
B) depletion results from chemical reactions with chlorine that is derived from CFCs. 
C) depletion results from the burning of fossil fuels. 
D) the notion that ozone is being depleted as a result of human activity is pure conjecture and has little scientific evidence to support it. 
E) depletion is not occurring,atmospheric ozone is increasing throughout all layers of the atmosphere.

Question 19

Which of the following is true of the mesosphere ?

Accepted Answer

A) it contains no clouds. 
B) windstorms involving wind velocities in excess of 320 km h?¹ occur in this layer. 
C) it is the warmest layer of the atmosphere. 
D) it is the densest layer of the atmosphere. 
E) it contains so few molecules that temperature cannot be measured. 
A) it contains no clouds. 
B) windstorms involving wind velocities in excess of 320 km h?¹ occur in this layer. 
C) it is the warmest layer of the atmosphere. 
D) it is the densest layer of the atmosphere. 
E) it contains so few molecules that temperature cannot be measured.

Question 20

Which of the following is true of ozone?

Accepted Answer

A) the total amount of ozone is very large compared to the amount of oxygen in the atmosphere. 
B) it is inert i.e.,it is chemically non-reactive. 
C) it consists of  threeoxygen molecules. 
D) it experiences natural fluctuations in amount and has been increasing in volume for hundreds of millions of years. 
E) if the production of CFCs were stopped today,the CFCs already present in the atmosphere would be unable to continue to destroy ozone for decades. 
A) the total amount of ozone is very large compared to the amount of oxygen in the atmosphere. 
B) it is inert i.e.,it is chemically non-reactive. 
C) it consists of  threeoxygen molecules. 
D) it experiences natural fluctuations in amount and has been increasing in volume for hundreds of millions of years. 
E) if the production of CFCs were stopped today,the CFCs already present in the atmosphere would be unable to continue to destroy ozone for decades.

Exam 3: Earth's Modern Atmosphere

When the Sun is active,

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

Based on the criteria of composition,the atmosphere is divided into two broad regions: the ionosphere and the ozonosphere.

The three stable (i.e. ,nonvariable)gases in the atmosphere,in order of abundance from most to least,are

Lewis Thomas,in his book The Lives of the Cell,compared Earth's atmosphere to

The ozonosphere is critical to life because it

Particulate matter

The normal lapse rate for temperature decreases is an average of 3°C per 1000 m.

The first major statement proposing the interaction of CFCs and stratospheric ozone was made in the 1970s.

First discuss the important role of ozone in the ozonosphere.Then examine the chemical reactions that lead to its destruction.

Joseph Kittinger

The atmosphere exerts an average force of approximately 1 kg· cm−2 \mathrm{cm}^{-2} cm−2 at sea level.

List and describe the four main gases of the homosphere.Which is least important to life?

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

Which of the following is false?

Carbon dioxide is currently increasing at the rate of 3.1% per year.

Sources of natural variable gases and materials include all of the following except

Which of the following is true regarding the depletion of ozone in the ozonosphere?

Which of the following is true of the mesosphere ?

Which of the following is true of ozone?

Essentials of Geography

Solar Energy to Earth and the Seasons

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

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Climate Systems and Climate Change

The Dynamic Planet

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Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

Eolian Processes and Arid Landscapes

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Ecosystem Essentials

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The atmosphere exerts an average force of approximately 1 kg· $\mathrm{cm}^{-2}$ at sea level.