Question 1

Particles, such as fine-grained dust and aerosols, are important in the atmosphere since they play a role in:

Accepted Answer

A)  blocking ultraviolet rays 
B)  absorbing excess carbon dioxide 
C)  cloud formation 
D)  scattering light in rainbows 
A)  blocking ultraviolet rays 
B)  absorbing excess carbon dioxide 
C)  cloud formation 
D)  scattering light in rainbows C

Question 2

The ozone hole is located over ________.

Accepted Answer

A)  the equator in the troposphere 
B)  the Arctic in the mesosphere 
C)  the Antarctic in the stratosphere 
D)  the warmest part of the Earth 
A)  the equator in the troposphere 
B)  the Arctic in the mesosphere 
C)  the Antarctic in the stratosphere 
D)  the warmest part of the Earth C

Question 3

Which of the following layers of the atmosphere show increasing temperatures with increasing heights?

Accepted Answer

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

Question 4

In the lowest layer of the atmosphere, temperatures stop decreasing with height at the:

Accepted Answer

A)  mesopause 
B)  tropopause 
C)  stratopause 
D)  ozone layer 
A)  mesopause 
B)  tropopause 
C)  stratopause 
D)  ozone layer

Question 5

Blue skies of the atmosphere are created by scattering of sunlight by:

Accepted Answer

A)  ozone 
B)  carbon dioxide 
C)  nitrogen oxides 
D)  aerosols 
A)  ozone 
B)  carbon dioxide 
C)  nitrogen oxides 
D)  aerosols

Question 6

Carbon dioxide levels in the atmosphere:

Accepted Answer

A)  have been increasing since the 1950s 
B)  have been decreasing since the 1950s 
C)  have been increasing until after 1998 
D)  have not changed in the last 600,000 years 
A)  have been increasing since the 1950s 
B)  have been decreasing since the 1950s 
C)  have been increasing until after 1998 
D)  have not changed in the last 600,000 years

Question 7

The amount of water vapor in the atmosphere varies between:

Accepted Answer

A)  0-4 percent 
B)  5-10 percent 
C)  10-20 percent 
D)  20-25 percent 
A)  0-4 percent 
B)  5-10 percent 
C)  10-20 percent 
D)  20-25 percent

Question 8

The ozone layer is important to life on Earth because the ozone layer _________.

Accepted Answer

A)  absorbs harmful infrared radiation 
B)  absorbs harmful ultraviolet radiation 
C)  allows solar radiation to enter the atmosphere 
D)  is the main source of oxygen for animals 
A)  absorbs harmful infrared radiation 
B)  absorbs harmful ultraviolet radiation 
C)  allows solar radiation to enter the atmosphere 
D)  is the main source of oxygen for animals

Question 9

A major sink for atmospheric carbon dioxide are:

Accepted Answer

A)  animals 
B)  plants 
C)  rocks 
D)  icefields 
E)  termites 
A)  animals 
B)  plants 
C)  rocks 
D)  icefields 
E)  termites

Question 10

Which of the following is NOT true of the ozone hole?

Accepted Answer

A)  The amount of ozone depletion has grown worse over the last few years. 
B)  Ozone depletion has led to an increase in skin cancer in some countries. 
C)  The amount of ozone depletion is greatest over the northern polar regions. 
D)  Ozone loss in the stratosphere is occurring in both Northern and Southern Hemispheres. 
A)  The amount of ozone depletion has grown worse over the last few years. 
B)  Ozone depletion has led to an increase in skin cancer in some countries. 
C)  The amount of ozone depletion is greatest over the northern polar regions. 
D)  Ozone loss in the stratosphere is occurring in both Northern and Southern Hemispheres.

Question 11

The ozone hole is a physical hole where there is no ozone allowing solar radiation to reach the Earth's surface.

Accepted Answer

A) True 
 B)False

Question 12

The Montreal Protocol of 1987 was an international agreement to ban _____.

Accepted Answer

A)  chlorofluorocarbons 
B)  leaded gasoline 
C)  ozone 
D)  coal burning plants 
A)  chlorofluorocarbons 
B)  leaded gasoline 
C)  ozone 
D)  coal burning plants

Exam 6: Composition and Structure of the Atmosphere

Particles, such as fine-grained dust and aerosols, are important in the atmosphere since they play a role in:

The ozone hole is located over ________.

Which of the following layers of the atmosphere show increasing temperatures with increasing heights?

In the lowest layer of the atmosphere, temperatures stop decreasing with height at the:

Blue skies of the atmosphere are created by scattering of sunlight by:

Carbon dioxide levels in the atmosphere:

The amount of water vapor in the atmosphere varies between:

The ozone layer is important to life on Earth because the ozone layer _________.

A major sink for atmospheric carbon dioxide are:

Which of the following is NOT true of the ozone hole?

The ozone hole is a physical hole where there is no ozone allowing solar radiation to reach the Earth's surface.

The Montreal Protocol of 1987 was an international agreement to ban _____.

Introducing Physical Geography

The Planet Earth

Mapping Earths Surface

Earth-Sun Relationships

Radiation and the Heat Balance of Planet Earth

Temperatures of the Lower Atmosphere

Air Pressure and Winds

Circulation Patterns of the Atmosphere

Circulation of the World Ocean

Atmospheric Moisture and the Water Balance

Precipitation, Air Masses, and Fronts

Weather Systems

Climate Classification and Regionalization

Tropical a and Arid B Climate

Mild Midlatitude C Climates

Higher Latitude D, E and High-Altitude H Climates

Natural Climate Change

Human Impacts on Climate

Biogeochemical Cycles

Formation of Soils

Properties of Soil

Classification and Mapping of Soils

Biogeographic Processes

The Global Distribution of Plants

Zoogeography: Spatial Aspects of Animal Populations

Minerals and Igneous Rocks

Sedimentary and Metamorphic Rocks

Planet Earth in Profile: the Layered Interior

Plates of the Lithosphere

Plate Movement: Causes and Effects

Volcanism and Its Landforms

Earthquakes and Landscapes

Faults, Folds, and Landscapes

The Formation of Landforms and Landscapes

Weathering Processes

Mass Movements

Water in the Lithosphere

Slopes and Streams

Landscapes Shaped by Stream Erosion

Landforms of the Fluvial System

Karst Processes and Landforms

Glacial Erosion and Deposition

Landforms and Landscapes of Continental Glaciation

Landforms and Landscapes of Mountain Glaciers

Periglacial Environments and Landscapes

Wind As a Geomorphic Agent

Coastal Processes

Coastal Landforms and Landscapes

Filters