Question 1

Approximately at what elevation is the top of Earth's atmosphere?

Accepted Answer

A) 3200 km above the surface of Earth. 
B) 480 km above the surface of Earth. 
C) 2000 km above the surface of Earth. 
D) 1000 km above the surface of Earth. 
A) 3200 km above the surface of Earth. 
B) 480 km above the surface of Earth. 
C) 2000 km above the surface of Earth. 
D) 1000 km above the surface of Earth. B

Question 2

Photochemical smog results from the interaction of sunlight with the combustion products of automobiles.

Accepted Answer

A) True 
 B)False  True

Question 3

Based on composition,how is the atmosphere divided?

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. 
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. B

Question 4

Describe how anthropogenic activity may influence both the troposphere and the stratosphere.

Accepted Answer

Troposphere: various

Question 5

Trace the changing temperature of the atmosphere from Earth's surface to the top of the thermosphere.

Accepted Answer

It follows a zig-zag pattern:

Question 6

Where is the altitude of the tropopause highest and why?

Accepted Answer

A) It is highest at the equator because of intense heating from the surface. 
B) It is highest at the poles because of diffuse solar radiation. 
C) It is highest over the mid-latitudes because of the curvature of Earth's surface. 
D) It is highest over the tropics because of direct insolation. 
A) It is highest at the equator because of intense heating from the surface. 
B) It is highest at the poles because of diffuse solar radiation. 
C) It is highest over the mid-latitudes because of the curvature of Earth's surface. 
D) It is highest over the tropics because of direct insolation.

Question 7

According to the World Health Organization,approximately how many deaths per year can be attributed to urban outdoor air pollution worldwide?

Accepted Answer

A) 13 000. 
B) 130 000. 
C) 730 000. 
D) 1)3 million. 
A) 13 000. 
B) 130 000. 
C) 730 000. 
D) 1)3 million.

Question 8

Which of the following is produced by photochemical reactions?

Accepted Answer

A) Principally sulfur dioxides. 
B) Particulates such as dust,dirt,soot,and ash. 
C) Ozone and peroxyacetyl nitrates (PAN). 
D) Carbon monoxide. 
A) Principally sulfur dioxides. 
B) Particulates such as dust,dirt,soot,and ash. 
C) Ozone and peroxyacetyl nitrates (PAN). 
D) Carbon monoxide.

Question 9

Pollution generated in one country can cause problems in other countries.

Accepted Answer

A) True 
 B)False

Question 10

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 dioxide. 
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 dioxide.

Question 11

The atmosphere exerts an average force of approximately 1 kg • cm-2 at sea level.

Accepted Answer

A) True 
 B)False

Question 12

When the Sun is active (e.g.more sunspots and eruptions),the thermosphere increases in size.

Accepted Answer

A) True 
 B)False

Question 13

The atmosphere can be studied using three basic criteria: composition,temperature,and function.Discuss these three classifications,giving relevant details of each.

Accepted Answer

composition: homosphere and heterosphere

Question 14

The ionosphere resides principally within the thermosphere,and the ozonosphere resides within the stratosphere.

Accepted Answer

A) True 
 B)False

Question 15

Air pressure is produced through the motion,size,and number of air molecules.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Ground-level ozone is the principal ingredient of photochemical smog.

Accepted Answer

A) True 
 B)False

Question 18

What is the region of the atmosphere that is so evenly mixed that it behaves as if it were a single gas?

Accepted Answer

A) Homosphere. 
B) Heterosphere. 
C) Exosphere. 
D) Thermosphere. 
A) Homosphere. 
B) Heterosphere. 
C) Exosphere. 
D) Thermosphere.

Question 19

Which of the following is true of nitrogen?

Accepted Answer

A) The human body obtains the nitrogen it needs from the air. 
B) There is very little nitrogen in the atmosphere. 
C) The nitrogen the human body needs is derived from food-not the air. 
D) Nitrogen is a variable gas. 
A) The human body obtains the nitrogen it needs from the air. 
B) There is very little nitrogen in the atmosphere. 
C) The nitrogen the human body needs is derived from food-not the air. 
D) Nitrogen is a variable gas.

Question 20

Which is true of the concentration of CO2 in our atmosphere?

Accepted Answer

A) It reached 400 ppm in 2013. 
B) The rate of increase leveled out in 1976. 
C) The level of CO2 was much higher in 1955 than today. 
D) The level of CO2 is decreasing at 3.1% per year. 
A) It reached 400 ppm in 2013. 
B) The rate of increase leveled out in 1976. 
C) The level of CO2 was much higher in 1955 than today. 
D) The level of CO2 is decreasing at 3.1% per year.

Approximately at what elevation is the top of Earth's atmosphere?

Photochemical smog results from the interaction of sunlight with the combustion products of automobiles.

Based on composition,how is the atmosphere divided?

Describe how anthropogenic activity may influence both the troposphere and the stratosphere.

Trace the changing temperature of the atmosphere from Earth's surface to the top of the thermosphere.

Where is the altitude of the tropopause highest and why?

According to the World Health Organization,approximately how many deaths per year can be attributed to urban outdoor air pollution worldwide?

Which of the following is produced by photochemical reactions?

Pollution generated in one country can cause problems in other countries.

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

The atmosphere exerts an average force of approximately 1 kg • cm-2 at sea level.

When the Sun is active (e.g.more sunspots and eruptions),the thermosphere increases in size.

The atmosphere can be studied using three basic criteria: composition,temperature,and function.Discuss these three classifications,giving relevant details of each.

The ionosphere resides principally within the thermosphere,and the ozonosphere resides within the stratosphere.

Air pressure is produced through the motion,size,and number of air molecules.

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

Ground-level ozone is the principal ingredient of photochemical smog.

What is the region of the atmosphere that is so evenly mixed that it behaves as if it were a single gas?

Which of the following is true of nitrogen?

Which is true of the concentration of CO2 in our atmosphere?

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

Approximately at what elevation is the top of Earth's atmosphere?

Photochemical smog results from the interaction of sunlight with the combustion products of automobiles.

Based on composition,how is the atmosphere divided?

Describe how anthropogenic activity may influence both the troposphere and the stratosphere.

Trace the changing temperature of the atmosphere from Earth's surface to the top of the thermosphere.

Where is the altitude of the tropopause highest and why?

According to the World Health Organization,approximately how many deaths per year can be attributed to urban outdoor air pollution worldwide?

Which of the following is produced by photochemical reactions?

Pollution generated in one country can cause problems in other countries.

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

The atmosphere exerts an average force of approximately 1 kg • cm-2 at sea level.

When the Sun is active (e.g.more sunspots and eruptions),the thermosphere increases in size.

The atmosphere can be studied using three basic criteria: composition,temperature,and function.Discuss these three classifications,giving relevant details of each.

The ionosphere resides principally within the thermosphere,and the ozonosphere resides within the stratosphere.

Air pressure is produced through the motion,size,and number of air molecules.

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

Ground-level ozone is the principal ingredient of photochemical smog.

What is the region of the atmosphere that is so evenly mixed that it behaves as if it were a single gas?

Which of the following is true of nitrogen?

Which is true of the concentration of CO2 in our atmosphere?

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