Question 1

A decline in sulfur dioxide has led to a lower pH in precipitation in the US Mid-Atlantic states.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Where is the thermopause located?

Accepted Answer

A) It lies between the mesosphere and the thermosphere. 
B) It exists wherever -90°C is recorded. 
C) It is located approximately 480 km above the surface of Earth. 
D) It is positioned at the bottom of the homosphere. 
A) It lies between the mesosphere and the thermosphere. 
B) It exists wherever -90°C is recorded. 
C) It is located approximately 480 km above the surface of Earth. 
D) It is positioned at the bottom of the homosphere.

Question 4

The Clean Air Act has not been cost effective.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is true of UV exposure?

Accepted Answer

A) UVA radiation is not filtered by the ozone layer and amounts for about 25% of all UV radiation reaching the surface of Earth. 
B) Only exposure to UVA is a concern,not exposure to UVB and UVC. 
C) UV radiation is potentially harmful and individuals should take appropriate precautions depending on the UV index. 
D) UV radiation varies temporally according to the season,local weather conditions,and overhead ozone depletion. 
A) UVA radiation is not filtered by the ozone layer and amounts for about 25% of all UV radiation reaching the surface of Earth. 
B) Only exposure to UVA is a concern,not exposure to UVB and UVC. 
C) UV radiation is potentially harmful and individuals should take appropriate precautions depending on the UV index. 
D) UV radiation varies temporally according to the season,local weather conditions,and overhead ozone depletion.

Question 6

Peroxyacetyl nitrates (PAN)are damaging to plants,but not to humans.

Accepted Answer

A) True 
 B)False

Question 7

By volume,nitrogen is the most abundant gas in the modern homosphere.

Accepted Answer

A) True 
 B)False

Question 8

Atmospheric circulation ultimately connects all places on Earth to one another.

Accepted Answer

A) True 
 B)False

Question 9

How do temperatures change within the stratosphere?

Accepted Answer

A) They decrease with altitude according to the normal lapse rate. 
B) They remain about the same from the tropopause to the stratopause. 
C) They increase with altitude because of the absorption of ultraviolet radiation. 
D) They decrease with altitude due to radiation losses. 
A) They decrease with altitude according to the normal lapse rate. 
B) They remain about the same from the tropopause to the stratopause. 
C) They increase with altitude because of the absorption of ultraviolet radiation. 
D) They decrease with altitude due to radiation losses.

Question 10

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

Question 11

Despite its high temperatures,why would the thermosphere feel cold to humans?

Accepted Answer

A) The number of molecules is not high enough to transfer heat to human skin. 
B) Humans would die due to pressure changes before they could experience the intense heat. 
C) The atmosphere is denser in the thermosphere and this pressure reduces heat transfer. 
D) The average kinetic energy is actually less in the thermosphere than the troposphere. 
A) The number of molecules is not high enough to transfer heat to human skin. 
B) Humans would die due to pressure changes before they could experience the intense heat. 
C) The atmosphere is denser in the thermosphere and this pressure reduces heat transfer. 
D) The average kinetic energy is actually less in the thermosphere than the troposphere.

Question 12

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.

Question 13

Air pollution can easily cross national boundaries.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is true regarding air pollution?

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. 
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.

Question 15

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is a major source for photochemical reactants in North America?

Accepted Answer

A) Steel mills and the agricultural industry. 
B) Electrical generation stations. 
C) Automobiles. 
D) Rapid transit,buses,and excessive use of light rail systems. 
A) Steel mills and the agricultural industry. 
B) Electrical generation stations. 
C) Automobiles. 
D) Rapid transit,buses,and excessive use of light rail systems.

Question 17

Ozone is found in both the ozonosphere and as a component of smog.Discuss its properties and function in the ozonosphere,and also its destruction by anthropogenic chemicals and the international efforts undertaken to ameliorate the destruction.Also examine ozone's production and effects at ground level.

Accepted Answer

Briefly,stratospheric ozone protects Ear

Question 18

Which of the following is a by-product of photosynthesis?

Accepted Answer

A) Nitrogen. 
B) Argon. 
C) Oxygen. 
D) Xenon. 
A) Nitrogen. 
B) Argon. 
C) Oxygen. 
D) Xenon.

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Rainfall is naturally acidic due to the presence of carbonic acids.

Accepted Answer

A) True 
 B)False

A decline in sulfur dioxide has led to a lower pH in precipitation in the US Mid-Atlantic states.

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

Where is the thermopause located?

The Clean Air Act has not been cost effective.

Which of the following is true of UV exposure?

Peroxyacetyl nitrates (PAN)are damaging to plants,but not to humans.

By volume,nitrogen is the most abundant gas in the modern homosphere.

Atmospheric circulation ultimately connects all places on Earth to one another.

How do temperatures change within the stratosphere?

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

Despite its high temperatures,why would the thermosphere feel cold to humans?

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

Air pollution can easily cross national boundaries.

Which of the following is true regarding air pollution?

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m.

Which of the following is a major source for photochemical reactants in North America?

Which of the following is a by-product of photosynthesis?

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

Rainfall is naturally acidic due to the presence of carbonic acids.

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

A decline in sulfur dioxide has led to a lower pH in precipitation in the US Mid-Atlantic states.

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

Where is the thermopause located?

The Clean Air Act has not been cost effective.

Which of the following is true of UV exposure?

Peroxyacetyl nitrates (PAN)are damaging to plants,but not to humans.

By volume,nitrogen is the most abundant gas in the modern homosphere.

Atmospheric circulation ultimately connects all places on Earth to one another.

How do temperatures change within the stratosphere?

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

Despite its high temperatures,why would the thermosphere feel cold to humans?

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

Air pollution can easily cross national boundaries.

Which of the following is true regarding air pollution?

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m.

Which of the following is a major source for photochemical reactants in North America?

Which of the following is a by-product of photosynthesis?

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

Rainfall is naturally acidic due to the presence of carbonic acids.

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