Question 1

Which desert is not subtropical?

Accepted Answer

A)  Arabian 
B)  Sahara 
C)  Kalahari 
D)  Namib 
A)  Arabian 
B)  Sahara 
C)  Kalahari 
D)  Namib D

Question 2

How do the dunes at Jockey's Ridge compare the dunes at Death Valley?

Accepted Answer

A)  The dunes at Jockey's Ridge cover a much smaller area. 
B)  The dunes at Jockey's Ridge cover a much larger area. 
C)  The dunes at Jockey's Ridge cover about the same area. 
A)  The dunes at Jockey's Ridge cover a much smaller area. 
B)  The dunes at Jockey's Ridge cover a much larger area. 
C)  The dunes at Jockey's Ridge cover about the same area. A

Question 3

"Globally, varying air pressures result from large-scale air circulation driven by heating and cooling." Evaluate this statement.

Accepted Answer

A)  It is true; air pressure increases as hot air rises and pushes against cooler air masses. 
B)  It is partially true; however, Earth's rotation also plays an important part. 
C)  It is partially true; however, it is much more complicated due to ocean currents. 
D)  It is false; varying air pressure is caused solely by Earth's rotation and ocean currents. 
A)  It is true; air pressure increases as hot air rises and pushes against cooler air masses. 
B)  It is partially true; however, Earth's rotation also plays an important part. 
C)  It is partially true; however, it is much more complicated due to ocean currents. 
D)  It is false; varying air pressure is caused solely by Earth's rotation and ocean currents. B

Question 4

What are the two reasons that you can observe that vegetation diminishes the geologic effectiveness of wind?

Accepted Answer

Plant roots bind surface particles toget

Question 5

Wind velocity is typically highest at the sediment surface where

Accepted Answer

A)  the surface has a steep slope. 
B)  the surface is near an ocean or large lake. 
C)  the surface is smooth with no plants. 
D)  there is smooth rock instead of sand. 
A)  the surface has a steep slope. 
B)  the surface is near an ocean or large lake. 
C)  the surface is smooth with no plants. 
D)  there is smooth rock instead of sand.

Question 6

High pressure areas occur when

Accepted Answer

A)  cold air sinks or hot air rises. 
B)  wind blows. 
C)  cold air sinks. 
D)  hot air rises. 
A)  cold air sinks or hot air rises. 
B)  wind blows. 
C)  cold air sinks. 
D)  hot air rises.

Question 7

Tiny products of volcanic eruptions may remain aloft in the atmosphere for

Accepted Answer

A)  up to six months. 
B)  up to three years. 
C)  about ten years. 
D)  about fifteen years. 
A)  up to six months. 
B)  up to three years. 
C)  about ten years. 
D)  about fifteen years.

Question 8

The greater the difference in air pressure, the ________.

Accepted Answer

A)  more horizontal the wind direction 
B)  more vertical the wind direction 
C)  faster the wind speed 
D)  slower the wind speed 
A)  more horizontal the wind direction 
B)  more vertical the wind direction 
C)  faster the wind speed 
D)  slower the wind speed

Question 9

The Coriolis effect shifts moving objects to the ________ of their initial path in the northern hemisphere and to the ________ in the southern hemisphere.

Accepted Answer

A)  right, right 
B)  right, left 
C)  left, left 
D)  left, right 
A)  right, right 
B)  right, left 
C)  left, left 
D)  left, right

Question 10

How do polar deserts exist?

Accepted Answer

Cold air cannot hold significa

Question 11

Hurricanes coincide with areas of extremely ________.

Accepted Answer

A)  low air temperature 
B)  high air temperature 
C)  low air pressure 
D)  high air pressure 
A)  low air temperature 
B)  high air temperature 
C)  low air pressure 
D)  high air pressure

Question 12

Plankton that cause poisonous red tide are nourished by

Accepted Answer

A)  carbon. 
B)  calcium. 
C)  iron. 
D)  potassium. 
A)  carbon. 
B)  calcium. 
C)  iron. 
D)  potassium.

Question 13

What region of the United States has the highest summer dust concentrations?

Accepted Answer

A)  northwest 
B)  southwest 
C)  northeast 
D)  southeast 
A)  northwest 
B)  southwest 
C)  northeast 
D)  southeast

Question 14

Figure 20.23  
-According to Figure 20.23 in your textbook, scientists trace dust origins by analyzing

Accepted Answer

A)  mineral particles. 
B)  pollen grains. 
C)  microbe DNA. 
D)  element concentrations. 
A)  mineral particles. 
B)  pollen grains. 
C)  microbe DNA. 
D)  element concentrations.

Question 15

Judge the following sentence according to the criteria given below. Evidence for the erosion and modification of the landscape by the wind is not seen everywhere in desert climates because some places in the desert lack vegetation and have strong winds.

Accepted Answer

A)  The assertion and the reason are both correct, and the reason is valid. 
B)  The assertion and the reason are both correct, but the reason is invalid. 
C)  The assertion is correct but the reason is incorrect. 
D)  The assertion is incorrect but the reason is correct. 
E)  Both the assertion and the reason are incorrect. 
A)  The assertion and the reason are both correct, and the reason is valid. 
B)  The assertion and the reason are both correct, but the reason is invalid. 
C)  The assertion is correct but the reason is incorrect. 
D)  The assertion is incorrect but the reason is correct. 
E)  Both the assertion and the reason are incorrect.

Question 16

Figure 20.9  
-According to Figure 20.9 in your textbook, sediment grains that are about 0.1 to 0.3 millimeters will

Accepted Answer

A)  roll. 
B)  bounce. 
C)  be suspended. 
D)  travel great distances. 
A)  roll. 
B)  bounce. 
C)  be suspended. 
D)  travel great distances.

Question 17

Plants do not grow on coastal dunes primarily due to

Accepted Answer

A)  lack of moisture. 
B)  infertility of sand. 
C)  ocean winds. 
D)  presence of ocean water. 
A)  lack of moisture. 
B)  infertility of sand. 
C)  ocean winds. 
D)  presence of ocean water.

Question 18

Geologists best estimate the shear stress applied to erosion by wind by measuring

Accepted Answer

A)  the depth of the air mass. 
B)  the density of the air mass. 
C)  the average particle size carried by the wind. 
D)  the velocity of the wind. 
A)  the depth of the air mass. 
B)  the density of the air mass. 
C)  the average particle size carried by the wind. 
D)  the velocity of the wind.

Question 19

Global wind patterns are a result of all of the following except

Accepted Answer

A)  temperature driven convection. 
B)  evaporation and condensation of water vapor. 
C)  Earth's rotation. 
D)  Earth's magnetic field. 
A)  temperature driven convection. 
B)  evaporation and condensation of water vapor. 
C)  Earth's rotation. 
D)  Earth's magnetic field.

Question 20

Global wind patterns are the summed-up effects of all of the following except

Accepted Answer

A)  rain, freezing rain and snowfall. 
B)  atmospheric convection. 
C)  Earth's rotation. 
D)  seasonal variation in solar heating. 
E)  uneven heating of land and sea. 
A)  rain, freezing rain and snowfall. 
B)  atmospheric convection. 
C)  Earth's rotation. 
D)  seasonal variation in solar heating. 
E)  uneven heating of land and sea.

Exam 20: Wind: a Global Geologic Process

Which desert is not subtropical?

How do the dunes at Jockey's Ridge compare the dunes at Death Valley?

"Globally, varying air pressures result from large-scale air circulation driven by heating and cooling." Evaluate this statement.

What are the two reasons that you can observe that vegetation diminishes the geologic effectiveness of wind?

Wind velocity is typically highest at the sediment surface where

High pressure areas occur when

Tiny products of volcanic eruptions may remain aloft in the atmosphere for

The greater the difference in air pressure, the ________.

The Coriolis effect shifts moving objects to the ________ of their initial path in the northern hemisphere and to the ________ in the southern hemisphere.

How do polar deserts exist?

Hurricanes coincide with areas of extremely ________.

Plankton that cause poisonous red tide are nourished by

What region of the United States has the highest summer dust concentrations?

Figure 20.23 -According to Figure 20.23 in your textbook, scientists trace dust origins by analyzing

Judge the following sentence according to the criteria given below. Evidence for the erosion and modification of the landscape by the wind is not seen everywhere in desert climates because some places in the desert lack vegetation and have strong winds.

Figure 20.9 -According to Figure 20.9 in your textbook, sediment grains that are about 0.1 to 0.3 millimeters will

Plants do not grow on coastal dunes primarily due to

Geologists best estimate the shear stress applied to erosion by wind by measuring

Global wind patterns are a result of all of the following except

Global wind patterns are the summed-up effects of all of the following except

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Formation of Metamorphic Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Soil Formation and Landscape Stability

Mass Movements: Landscapes in Motion

Streams: Flowing Water Shapes the Landscape

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Global Warming: Real Time Change in the Earth System

Filters

The Coriolis effect shifts moving objects to the of their initial path in the northern hemisphere and to the in the southern hemisphere.