Question 1

Increased fuel efficiency may help mitigate urban pollution.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is a factor in helping to reduce air pollution?

Accepted Answer

A) Eliminating air emission regulations. 
B) Increased use of coal as an energy source. 
C) Use of more alternative,clean energy sources such as wind and solar. 
D) Decreased vehicle fuel-efficiency. 
A) Eliminating air emission regulations. 
B) Increased use of coal as an energy source. 
C) Use of more alternative,clean energy sources such as wind and solar. 
D) Decreased vehicle fuel-efficiency.

Question 3

Weather (rain,fog,storms,etc.)occurs primarily in the troposphere.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following results from acid deposition?

Accepted Answer

A) The calcification of lakes. 
B) The sequestration of aluminum and magnesium in clay mineral in soils. 
C) The formation of highly toxic methylmercury in acidified lake waters. 
D) The increase in nutrients in forest ecosystems. 
A) The calcification of lakes. 
B) The sequestration of aluminum and magnesium in clay mineral in soils. 
C) The formation of highly toxic methylmercury in acidified lake waters. 
D) The increase in nutrients in forest ecosystems.

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

What are the two most abundant gases in the atmosphere?

Accepted Answer

A) Water vapour and carbon dioxide. 
B) Nitrogen and water vapour. 
C) Nitrogen and oxygen. 
D) Oxygen and carbon dioxide. 
A) Water vapour and carbon dioxide. 
B) Nitrogen and water vapour. 
C) Nitrogen and oxygen. 
D) Oxygen and carbon dioxide.

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Why is Nitrogen dioxide (NO2)a concern?

Accepted Answer

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

Question 9

Based on temperature,how is the atmosphere divided?

Accepted Answer

A) Four regions: ranging from the troposphere to the thermosphere. 
B) Two broad regions. 
C) Two functional areas that absorb radiation from the Sun. 
D) Nitrogen,oxygen,argon. 
A) Four regions: ranging from the troposphere to the thermosphere. 
B) Two broad regions. 
C) Two functional areas that absorb radiation from the Sun. 
D) Nitrogen,oxygen,argon.

Question 10

Examine the effects of wind,landscape,and temperature inversion on air pollution.

Accepted Answer

Wind can transport air polluti

Question 11

Why do high temperatures occur in the thermosphere?

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. 
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.

Question 12

The atmospheric portion of the biosphere corresponds to which of the following spheres?

Accepted Answer

A) Heterosphere. 
B) Troposphere. 
C) Ozonosphere. 
D) Lithosphere. 
A) Heterosphere. 
B) Troposphere. 
C) Ozonosphere. 
D) Lithosphere.

Question 13

Why is a layer of the atmosphere called the homosphere?

Accepted Answer

A) That layer is the habitable sphere for humans (Homo sapiens). 
B) That term is used because scientists have been unable to determine its composition and assume it is homogeneous. 
C) That layer is composed of a blend of gases that is nearly uniform throughout. 
D) That layer contains only one gas,nitrogen. 
A) That layer is the habitable sphere for humans (Homo sapiens). 
B) That term is used because scientists have been unable to determine its composition and assume it is homogeneous. 
C) That layer is composed of a blend of gases that is nearly uniform throughout. 
D) That layer contains only one gas,nitrogen.

Question 14

Half of the total mass of the atmosphere of Earth lies below what elevation?

Accepted Answer

A) 14 000 metres. 
B) 11 000 metres. 
C) 8300 metres. 
D) 5500 metres. 
A) 14 000 metres. 
B) 11 000 metres. 
C) 8300 metres. 
D) 5500 metres.

Question 15

Which of the following correctly lists the three stable (i.e.,nonvariable)gases in the atmosphere,in order of abundance from most to least?

Accepted Answer

A) Carbon dioxide,argon,oxygen. 
B) Oxygen,carbon dioxide,argon. 
C) Nitrogen,oxygen,argon. 
D) Oxygen,argon,nitrogen. 
A) Carbon dioxide,argon,oxygen. 
B) Oxygen,carbon dioxide,argon. 
C) Nitrogen,oxygen,argon. 
D) Oxygen,argon,nitrogen.

Question 16

Particulate matter has been associated with higher medical expenses.

Accepted Answer

A) True 
 B)False

Question 17

What have been some of the significant achievements of the Clean Air Act?

Accepted Answer

Significant reductio

Question 18

Which of the gases listed below has accumulated in the atmosphere as a result of biological processes?

Accepted Answer

A) Argon. 
B) Oxygen. 
C) Nitrogen. 
D) Water vapour. 
A) Argon. 
B) Oxygen. 
C) Nitrogen. 
D) Water vapour.

Question 19

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

Accepted Answer

A) It is the sum of all physical weathering on Earth. 
B) We consider the top of the atmosphere to be 320 000 km from Earth. 
C) It protects us from deadly UV radiation,yet allows light to pass through. 
D) Its temperatures range from -590°C degrees to 120°C. 
A) It is the sum of all physical weathering on Earth. 
B) We consider the top of the atmosphere to be 320 000 km from Earth. 
C) It protects us from deadly UV radiation,yet allows light to pass through. 
D) Its temperatures range from -590°C degrees to 120°C.

Question 20

How does the elevation of the tropopause above the tropics compare to its elevation above the poles and why does this occur?

Accepted Answer

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

Increased fuel efficiency may help mitigate urban pollution.

Which of the following is a factor in helping to reduce air pollution?

Weather (rain,fog,storms,etc.)occurs primarily in the troposphere.

Which of the following results from acid deposition?

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

What are the two most abundant gases in the atmosphere?

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

Why is Nitrogen dioxide (NO2)a concern?

Based on temperature,how is the atmosphere divided?

Examine the effects of wind,landscape,and temperature inversion on air pollution.

Why do high temperatures occur in the thermosphere?

The atmospheric portion of the biosphere corresponds to which of the following spheres?

Why is a layer of the atmosphere called the homosphere?

Half of the total mass of the atmosphere of Earth lies below what elevation?

Which of the following correctly lists the three stable (i.e.,nonvariable)gases in the atmosphere,in order of abundance from most to least?

Particulate matter has been associated with higher medical expenses.

What have been some of the significant achievements of the Clean Air Act?

Which of the gases listed below has accumulated in the atmosphere as a result of biological processes?

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

How does the elevation of the tropopause above the tropics compare to its elevation above the poles and why does this occur?

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

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 3: Earths Modern Atmosphere

Increased fuel efficiency may help mitigate urban pollution.

Which of the following is a factor in helping to reduce air pollution?

Weather (rain,fog,storms,etc.)occurs primarily in the troposphere.

Which of the following results from acid deposition?

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

What are the two most abundant gases in the atmosphere?

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

Why is Nitrogen dioxide (NO2)a concern?

Based on temperature,how is the atmosphere divided?

Examine the effects of wind,landscape,and temperature inversion on air pollution.

Why do high temperatures occur in the thermosphere?

The atmospheric portion of the biosphere corresponds to which of the following spheres?

Why is a layer of the atmosphere called the homosphere?

Half of the total mass of the atmosphere of Earth lies below what elevation?

Which of the following correctly lists the three stable (i.e.,nonvariable)gases in the atmosphere,in order of abundance from most to least?

Particulate matter has been associated with higher medical expenses.

What have been some of the significant achievements of the Clean Air Act?

Which of the gases listed below has accumulated in the atmosphere as a result of biological processes?

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

How does the elevation of the tropopause above the tropics compare to its elevation above the poles and why does this occur?

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

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters