Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Noctilucent clouds are associated with the ________ whereas the auroras are associated with the ________.

Accepted Answer

A)  stratosphere; ozonosphere 
B)  thermosphere; ionosphere 
C)  troposphere; homosphere 
D)  mesosphere; ionosphere 
A)  stratosphere; ozonosphere 
B)  thermosphere; ionosphere 
C)  troposphere; homosphere 
D)  mesosphere; ionosphere

Question 3

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. 
A)  affects temperatures. 
B)  absorbs visible light wavelengths. 
C)  absorbs most ultraviolet wavelengths. 
D)  produces the auroras.

Question 4

With regards to carbon monoxide (CO), which of the following is false?

Accepted Answer

A)  Anthropogenic CO is principally produced by automobiles. 
B)  Natural CO is produced by decaying organic debris, forest fires, or organic matter decomposition. 
C)  Few effects of CO on humans have been identified. 
D)  It is a colorless, odorless and tasteless gas. 
A)  Anthropogenic CO is principally produced by automobiles. 
B)  Natural CO is produced by decaying organic debris, forest fires, or organic matter decomposition. 
C)  Few effects of CO on humans have been identified. 
D)  It is a colorless, odorless and tasteless gas.

Question 5

Which stable (nonvariable) gas in the atmosphere is inert and unusable in life processes?

Accepted Answer

A)  oxygen 
B)  nitrogen 
C)  argon 
D)  carbon dioxide 
A)  oxygen 
B)  nitrogen 
C)  argon 
D)  carbon dioxide

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Political leaders in the United States worked swiftly to pass legislation banning CFCs.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

Troposphere: various

Question 9

Which is not true of Earth's atmosphere?

Accepted Answer

A)  It is the sum of all the exhalations and inhalations of life on Earth. 
B)  We consider the top of the atmosphere to be 32,000 km (20,000 mi.) from Earth. 
C)  It protects us from deadly UV radiation, yet lets light through. 
D)  Its temperatures range from -90°C (-130°F) degrees to 1200°C (2200°F). 
E)  The principle substance is air, a mixture of many gases that behaves like a single gas. 
A)  It is the sum of all the exhalations and inhalations of life on Earth. 
B)  We consider the top of the atmosphere to be 32,000 km (20,000 mi.) from Earth. 
C)  It protects us from deadly UV radiation, yet lets light through. 
D)  Its temperatures range from -90°C (-130°F) degrees to 1200°C (2200°F). 
E)  The principle substance is air, a mixture of many gases that behaves like a single gas.

Question 10

Which of the following is not true of UV exposure?

Accepted Answer

A)  UVA radiation is not filtered by the ozone layer and amounts for about 95% of all UV radiation reaching the Earth's surface. 
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 spatially 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 95% of all UV radiation reaching the Earth's surface. 
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 spatially according to the season, local weather conditions, and overhead ozone depletion.

Question 11

Which of the following is false?

Accepted Answer

A)  Air pressure decreases through the troposphere then increases in the stratosphere. 
B)  Air molecules exert air pressure through their motion, size, and number. 
C)  The atmosphere exerts a force of 1 kg/   ; i.e., 14.7 ln/in². 
D)  Air pressure decreases with increasing altitude. 
A)  Air pressure decreases through the troposphere then increases in the stratosphere. 
B)  Air molecules exert air pressure through their motion, size, and number. 
C)  The atmosphere exerts a force of 1 kg/   ; i.e., 14.7 ln/in². 
D)  Air pressure decreases with increasing altitude.

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Captain Kittenger came close to the speed of sound during his record-breaking sky dive.

Accepted Answer

A) True 
 B)False

Question 14

A by-product of photosynthesis is

Accepted Answer

A)  nitrogen. 
B)  argon. 
C)  oxygen. 
D)  xenon. 
A)  nitrogen. 
B)  argon. 
C)  oxygen. 
D)  xenon.

Question 15

Air pressure is only exerted downward.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is true of the ionosphere?

Accepted Answer

A)  It primarily absorbs harmful infrared wavelengths. 
B)  All radio signals pass through this region virtually unaffected. 
C)  The region principally absorbs gamma rays, X-rays, and interacts with the solar wind. 
D)  It is being depleted through interactions with human-produced chlorofluorocarbons. 
A)  It primarily absorbs harmful infrared wavelengths. 
B)  All radio signals pass through this region virtually unaffected. 
C)  The region principally absorbs gamma rays, X-rays, and interacts with the solar wind. 
D)  It is being depleted through interactions with human-produced chlorofluorocarbons.

Question 17

Which of the following is true of the mesosphere?

Accepted Answer

A)  It contains clouds that are visible at night. 
B)  Temperatures are uniform through the zone. 
C)  It is the warmest layer of the atmosphere. 
D)  It has the greatest vertical extent of all atmospheric layers. 
A)  It contains clouds that are visible at night. 
B)  Temperatures are uniform through the zone. 
C)  It is the warmest layer of the atmosphere. 
D)  It has the greatest vertical extent of all atmospheric layers.

Question 18

Which of the following is true of chlorofluorocarbons?

Accepted Answer

A)  The CFC molecules react with ultraviolet light to release carbon which then destroys ozone. 
B)  The CFC molecules react with ultraviolet light to release fluorine which then destroys ozone. 
C)  The CFC molecules react with ultraviolet light to release chlorine which then destroys ozone. 
D)  Most of the CFC-induced ozone destruction is occurring near the equator, rather than near the poles. 
A)  The CFC molecules react with ultraviolet light to release carbon which then destroys ozone. 
B)  The CFC molecules react with ultraviolet light to release fluorine which then destroys ozone. 
C)  The CFC molecules react with ultraviolet light to release chlorine which then destroys ozone. 
D)  Most of the CFC-induced ozone destruction is occurring near the equator, rather than near the poles.

Question 19

Of the atmosphere's thermal layers, the stratosphere is the hottest.

Accepted Answer

A) True 
 B)False

Question 20

In which two atmospheric zones does temperature increase with altitude?

Accepted Answer

A)  troposphere and mesosphere 
B)  troposphere and stratosphere 
C)  stratosphere and mesosphere 
D)  stratosphere and thermosphere 
A)  troposphere and mesosphere 
B)  troposphere and stratosphere 
C)  stratosphere and mesosphere 
D)  stratosphere and thermosphere

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

Noctilucent clouds are associated with the whereas the auroras are associated with the .

The ozonosphere is critical to life because it

With regards to carbon monoxide (CO), which of the following is false?

Which stable (nonvariable) gas in the atmosphere is inert and unusable in life processes?

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

Political leaders in the United States worked swiftly to pass legislation banning CFCs.

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

Which is not true of Earth's atmosphere?

Which of the following is not true of UV exposure?

Which of the following is false?

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

Captain Kittenger came close to the speed of sound during his record-breaking sky dive.

A by-product of photosynthesis is

Air pressure is only exerted downward.

Which of the following is true of the ionosphere?

Which of the following is true of the mesosphere?

Which of the following is true of chlorofluorocarbons?

Of the atmosphere's thermal layers, the stratosphere is the hottest.

In which two atmospheric zones does temperature increase with altitude?

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

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

Noctilucent clouds are associated with the ________ whereas the auroras are associated with the ________.

The ozonosphere is critical to life because it

With regards to carbon monoxide (CO), which of the following is false?

Which stable (nonvariable) gas in the atmosphere is inert and unusable in life processes?

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

Political leaders in the United States worked swiftly to pass legislation banning CFCs.

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

Which is not true of Earth's atmosphere?

Which of the following is not true of UV exposure?

Which of the following is false?

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

Captain Kittenger came close to the speed of sound during his record-breaking sky dive.

A by-product of photosynthesis is

Air pressure is only exerted downward.

Which of the following is true of the ionosphere?

Which of the following is true of the mesosphere?

Which of the following is true of chlorofluorocarbons?

Of the atmosphere's thermal layers, the stratosphere is the hottest.

In which two atmospheric zones does temperature increase with altitude?

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

Noctilucent clouds are associated with the whereas the auroras are associated with the .