Question 1

Skin damage resulting from exposure to the Sun is cumulative; i.e., the skin never completely heals from previous sunburns.

Accepted Answer

A) True 
 B)False  True

Question 2

Based on human-induced changes to the atmosphere, some have tentatively labeled the Earth's next atmosphere the

Accepted Answer

A)  living atmosphere. 
B)  modern atmosphere. 
C)  ozonosphere. 
D)  anthropogenic atmosphere. 
E)  pollution sphere. 
A)  living atmosphere. 
B)  modern atmosphere. 
C)  ozonosphere. 
D)  anthropogenic atmosphere. 
E)  pollution sphere. D

Question 3

Scientists predict that air quality will continue to improve even without emission regulations.

Accepted Answer

A) True 
 B)False  False

Question 4

The high temperatures in the thermosphere occur because

Accepted Answer

A)  infrared radiation from the ground heats this layer more than any other layer. 
B)  methane is such an effective greenhouse gas. 
C)  carbon dioxide has accumulated to very high levels in this layer. 
D)  it is in direct contact with high energy solar radiation. 
E)  high intensity solar radiation causes strong chemical reactions with ozone, and this heats the layer to very high temperatures. 
A)  infrared radiation from the ground heats this layer more than any other layer. 
B)  methane is such an effective greenhouse gas. 
C)  carbon dioxide has accumulated to very high levels in this layer. 
D)  it is in direct contact with high energy solar radiation. 
E)  high intensity solar radiation causes strong chemical reactions with ozone, and this heats the layer to very high temperatures.

Question 5

The Clean Air Act has not been cost effective.

Accepted Answer

A) True 
 B)False

Question 6

Problems with air pollution occurred as far back in time as the Roman period (2000 years ago).

Accepted Answer

A) True 
 B)False

Question 7

Oxygen (   ) is

Accepted Answer

A)  a gas which principally originates from volcanic sources. 
B)  a by-product of photosynthesis. 
C)  one of the gases from Earth's earliest atmospheres. 
D)  now measured at 78.084% by volume in the homosphere. 
A)  a gas which principally originates from volcanic sources. 
B)  a by-product of photosynthesis. 
C)  one of the gases from Earth's earliest atmospheres. 
D)  now measured at 78.084% by volume in the homosphere.

Question 8

Nitrogen dioxide (   )

Accepted Answer

A)  inflames human respiratory tract, destroys lung tissues, and damages plants. 
B)  is yet to be of consequence in North America. 
C)  is produced only after photochemical reactions. 
D)  is more of a concern in nonurban areas than urban. 
A)  inflames human respiratory tract, destroys lung tissues, and damages plants. 
B)  is yet to be of consequence in North America. 
C)  is produced only after photochemical reactions. 
D)  is more of a concern in nonurban areas than urban.

Question 9

How does the ionosphere affect GPS?

Accepted Answer

A)  GPS satellites orbit the Earth in the ionosphere. 
B)  GPS ground stations lose contact with geosynchronous satellites orbiting near the poles. 
C)  GPS signals much pass through the ionosphere, whose gases weaken the signal. 
D)  Positively charged ions in the ionosphere speed up the GPS signal, causing signal error. 
A)  GPS satellites orbit the Earth in the ionosphere. 
B)  GPS ground stations lose contact with geosynchronous satellites orbiting near the poles. 
C)  GPS signals much pass through the ionosphere, whose gases weaken the signal. 
D)  Positively charged ions in the ionosphere speed up the GPS signal, causing signal error.

Question 10

The thermopause is located

Accepted Answer

A)  between the mesosphere and the thermosphere. 
B)  wherever -90°C (-130°F) is recorded. 
C)  approximately 480 km (300 mi.) above Earth's surface. 
D)  at the bottom of the homosphere. 
A)  between the mesosphere and the thermosphere. 
B)  wherever -90°C (-130°F) is recorded. 
C)  approximately 480 km (300 mi.) above Earth's surface. 
D)  at the bottom of the homosphere.

Question 11

In 2012, Felix Baumgartner became famous for

Accepted Answer

A)  becoming the first individual to complete a free-fall from the stratosphere. 
B)  breaking Joseph Kittinger's long-held height and speed free-fall record. 
C)  completing the longest spacewalk from a Space Shuttle. 
D)  discovering the true composition of the stratospheric ozone layer. 
A)  becoming the first individual to complete a free-fall from the stratosphere. 
B)  breaking Joseph Kittinger's long-held height and speed free-fall record. 
C)  completing the longest spacewalk from a Space Shuttle. 
D)  discovering the true composition of the stratospheric ozone layer.

Question 12

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

Accepted Answer

A)  volcanoes. 
B)  forest fires. 
C)  plants and decaying plants. 
D)  industrial activity. 
A)  volcanoes. 
B)  forest fires. 
C)  plants and decaying plants. 
D)  industrial activity.

Question 13

The heterosphere is the layer of the atmosphere in which the gases are ________ because of ________.

Accepted Answer

A)  well mixed; thermal motions (i.e., convection) 
B)  well mixed; the influence of gravity which causes gases of different weight to diffuse randomly 
C)  poorly mixed; thermal motions (i.e., convection) 
D)  poorly mixed; the influence of gravity which causes gases of different weight to separate into layers 
A)  well mixed; thermal motions (i.e., convection) 
B)  well mixed; the influence of gravity which causes gases of different weight to diffuse randomly 
C)  poorly mixed; thermal motions (i.e., convection) 
D)  poorly mixed; the influence of gravity which causes gases of different weight to separate into layers

Question 14

What is the role of ozone in the ozonosphere? Discuss and explain the chemical reactions that lead to its destruction.

Accepted Answer

In a nutshell, stratospheric o

Question 15

Annually, acid deposition costs and estimated $50 billion in the United States, Canada and Europe.

Accepted Answer

A) True 
 B)False

Question 16

The Montreal Protocol

Accepted Answer

A)  established a framework to address acid precipitation. 
B)  aims to reduce and eliminate all ozone depleting substances. 
C)  only addresses CFCs. 
D)  created the Intergovernmental Panel on Climate Change. 
E)  is ineffective because so few countries have ratified it. 
A)  established a framework to address acid precipitation. 
B)  aims to reduce and eliminate all ozone depleting substances. 
C)  only addresses CFCs. 
D)  created the Intergovernmental Panel on Climate Change. 
E)  is ineffective because so few countries have ratified it.

Question 17

Half of the total mass of Earth's atmosphere lies below an elevation of ________ meters.

Accepted Answer

A)  14,000 
B)  11,000 
C)  8300 
D)  5500 
A)  14,000 
B)  11,000 
C)  8300 
D)  5500

Question 18

Depletion of the ozone layer is happening principally because of natural circulation dynamics in the upper atmosphere, not chemical reactions.

Accepted Answer

A) True 
 B)False

Question 19

The tropopause occurs at a ________ elevation above the tropics than above the poles because ________.

Accepted Answer

A)  lower; the stratosphere is thicker over the tropics and so it compresses the troposphere 
B)  lower; the troposphere weighs more in the tropics and so it sinks 
C)  higher; the troposphere is hotter in the tropics, and this causes the air to rise to greater heights 
D)  higher; the stratosphere is thinner over the tropics and this allows the troposphere to expand 
A)  lower; the stratosphere is thicker over the tropics and so it compresses the troposphere 
B)  lower; the troposphere weighs more in the tropics and so it sinks 
C)  higher; the troposphere is hotter in the tropics, and this causes the air to rise to greater heights 
D)  higher; the stratosphere is thinner over the tropics and this allows the troposphere to expand

Question 20

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

Accepted Answer

A)  The depletion is restricted to the arctic and antarctic regions. 
B)  It results from chemical reactions with chlorine derived from CFCs. 
C)  It results from the burning of fossil fuels. 
D)  The notion that ozone is being depleted as a result of human activity has little scientific evidence to support it. 
A)  The depletion is restricted to the arctic and antarctic regions. 
B)  It results from chemical reactions with chlorine derived from CFCs. 
C)  It results from the burning of fossil fuels. 
D)  The notion that ozone is being depleted as a result of human activity has little scientific evidence to support it.

Skin damage resulting from exposure to the Sun is cumulative; i.e., the skin never completely heals from previous sunburns.

Based on human-induced changes to the atmosphere, some have tentatively labeled the Earth's next atmosphere the

Scientists predict that air quality will continue to improve even without emission regulations.

The high temperatures in the thermosphere occur because

The Clean Air Act has not been cost effective.

Problems with air pollution occurred as far back in time as the Roman period (2000 years ago).

Oxygen ( ) is

Nitrogen dioxide ( )

How does the ionosphere affect GPS?

The thermopause is located

In 2012, Felix Baumgartner became famous for

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

The heterosphere is the layer of the atmosphere in which the gases are because of .

What is the role of ozone in the ozonosphere? Discuss and explain the chemical reactions that lead to its destruction.

Annually, acid deposition costs and estimated $50 billion in the United States, Canada and Europe.

The Montreal Protocol

Half of the total mass of Earth's atmosphere lies below an elevation of ________ meters.

Depletion of the ozone layer is happening principally because of natural circulation dynamics in the upper atmosphere, not chemical reactions.

The tropopause occurs at a elevation above the tropics than above the poles because .

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

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

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 3: Earths Modern Atmosphere

Skin damage resulting from exposure to the Sun is cumulative; i.e., the skin never completely heals from previous sunburns.

Based on human-induced changes to the atmosphere, some have tentatively labeled the Earth's next atmosphere the

Scientists predict that air quality will continue to improve even without emission regulations.

The high temperatures in the thermosphere occur because

The Clean Air Act has not been cost effective.

Problems with air pollution occurred as far back in time as the Roman period (2000 years ago).

Oxygen ( ) is

Nitrogen dioxide ( )

How does the ionosphere affect GPS?

The thermopause is located

In 2012, Felix Baumgartner became famous for

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

The heterosphere is the layer of the atmosphere in which the gases are ________ because of ________.

What is the role of ozone in the ozonosphere? Discuss and explain the chemical reactions that lead to its destruction.

Annually, acid deposition costs and estimated $50 billion in the United States, Canada and Europe.

The Montreal Protocol

Half of the total mass of Earth's atmosphere lies below an elevation of ________ meters.

Depletion of the ozone layer is happening principally because of natural circulation dynamics in the upper atmosphere, not chemical reactions.

The tropopause occurs at a ________ elevation above the tropics than above the poles because ________.

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

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

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

The heterosphere is the layer of the atmosphere in which the gases are because of .

The tropopause occurs at a elevation above the tropics than above the poles because .