Question 1

The bed- load of wind- transported sediment is moved by:

Accepted Answer

A)  the process of surface creep. 
B)  the process of suspension. 
C)  the process of traction. 
D)  the process of saltation. 
A)  the process of surface creep. 
B)  the process of suspension. 
C)  the process of traction. 
D)  the process of saltation.

Question 2

The driest region on the Earth is:

Accepted Answer

A)  Antarctica. 
B)  the Sahara. 
C)  the Gobi desert. 
D)  Death Valley. 
A)  Antarctica. 
B)  the Sahara. 
C)  the Gobi desert. 
D)  Death Valley.

Question 3

All of the following factors contributed to the Dust Bowl condition EXCEPT:

Accepted Answer

A)  overcultivation of wheat crops. 
B)  widespread flooding in the region. 
C)  increase in frequency of high- velocity winds. 
D)  plowing of the prairie sod. 
A)  overcultivation of wheat crops. 
B)  widespread flooding in the region. 
C)  increase in frequency of high- velocity winds. 
D)  plowing of the prairie sod.

Question 4

Which of the following statements about desert streams is NOT true?

Accepted Answer

A)  Desert streams erode soil easily because there is little vegetation to stabilize it. 
B)  Because the soil is compacted and sun- baked, most erosion within an arroyo is lateral rather than vertical. 
C)  Flash floods occur because water is not readily absorbed by desert soils. 
D)  Alluvial fans occur at the end of arroyos because desert stream water finally infiltrates or evaporates rather than flowing to the sea. 
A)  Desert streams erode soil easily because there is little vegetation to stabilize it. 
B)  Because the soil is compacted and sun- baked, most erosion within an arroyo is lateral rather than vertical. 
C)  Flash floods occur because water is not readily absorbed by desert soils. 
D)  Alluvial fans occur at the end of arroyos because desert stream water finally infiltrates or evaporates rather than flowing to the sea.

Question 5

Wind erodes solid rock by what process?

Accepted Answer

A)  Abrasion. 
B)  Evaporation. 
C)  Deflation. 
D)  Infiltration. 
A)  Abrasion. 
B)  Evaporation. 
C)  Deflation. 
D)  Infiltration.

Question 6

Sand dunes are produced by which one of the following mechanisms?

Accepted Answer

A)  Dissolved- load deposition. 
B)  Wash- load deposition. 
C)  Bed- load deposition. 
D)  Suspended- load deposition. 
A)  Dissolved- load deposition. 
B)  Wash- load deposition. 
C)  Bed- load deposition. 
D)  Suspended- load deposition.

Question 7

Efforts to reverse desertification include all of the following EXCEPT:

Accepted Answer

A)  controlling wind erosion. 
B)  pumping groundwater. 
C)  desalinating river water. 
D)  inhibiting evaporation. 
A)  controlling wind erosion. 
B)  pumping groundwater. 
C)  desalinating river water. 
D)  inhibiting evaporation.

Question 8

The characteristic of loess that makes it an exceptional soil is:

Accepted Answer

A)  its angular grains. 
B)  its fresh, unweathered mineral content. 
C)  its high moisture- holding capacity. 
D)  All of the above. 
A)  its angular grains. 
B)  its fresh, unweathered mineral content. 
C)  its high moisture- holding capacity. 
D)  All of the above.

Question 9

Warm deserts that result from atmospheric convection cells are:

Accepted Answer

A)  rain shadow deserts. 
B)  deserts near cold ocean currents. 
C)  subtropical deserts. 
D)  continental interior deserts. 
A)  rain shadow deserts. 
B)  deserts near cold ocean currents. 
C)  subtropical deserts. 
D)  continental interior deserts.

Question 10

What is the term for an erosion surface with a slope of 5° or less at the base of a mountain?

Accepted Answer

A)  Inselberg. 
B)  Ventifact. 
C)  Pediment. 
D)  Yardang. 
A)  Inselberg. 
B)  Ventifact. 
C)  Pediment. 
D)  Yardang.

The bed- load of wind- transported sediment is moved by:

The driest region on the Earth is:

All of the following factors contributed to the Dust Bowl condition EXCEPT:

Which of the following statements about desert streams is NOT true?

Wind erodes solid rock by what process?

Sand dunes are produced by which one of the following mechanisms?

Efforts to reverse desertification include all of the following EXCEPT:

The characteristic of loess that makes it an exceptional soil is:

Warm deserts that result from atmospheric convection cells are:

What is the term for an erosion surface with a slope of 5° or less at the base of a mountain?

A First Look at Planet Earth - Its Origins, Systems, and Tectonic Plates

Minerals

Igneous Rocks and Processes

Volcanoes and Volcanism

Weathering - the Breakdown of Rocks

Sedimentary Processes, Environments, and Rocks

Metamorphism and Metamorphic Rocks

Telling Time Geologically

Earth Structures - Folds, Faults, and Fabrics

Earthquakes

The Earths Interior - Whats Going on Down There

Plate Tectonics and the Formation of the Earths Oceans

Continental Tectonics and the Formation of the Earths Continents

Mass Movement

Streams and Floods

Groundwater

Glaciers and Ice Ages

Shores and Coastal Processes

Human Use of the Earths Resources Appendices Glossary

Filters

Exam 18: Deserts and the Work of Winds

The bed- load of wind- transported sediment is moved by:

The driest region on the Earth is:

All of the following factors contributed to the Dust Bowl condition EXCEPT:

Which of the following statements about desert streams is NOT true?

Wind erodes solid rock by what process?

Sand dunes are produced by which one of the following mechanisms?

Efforts to reverse desertification include all of the following EXCEPT:

The characteristic of loess that makes it an exceptional soil is:

Warm deserts that result from atmospheric convection cells are:

What is the term for an erosion surface with a slope of 5° or less at the base of a mountain?

A First Look at Planet Earth - Its Origins, Systems, and Tectonic Plates

Minerals

Igneous Rocks and Processes

Volcanoes and Volcanism

Weathering - the Breakdown of Rocks

Sedimentary Processes, Environments, and Rocks

Metamorphism and Metamorphic Rocks

Telling Time Geologically

Earth Structures - Folds, Faults, and Fabrics

Earthquakes

The Earths Interior - Whats Going on Down There

Plate Tectonics and the Formation of the Earths Oceans

Continental Tectonics and the Formation of the Earths Continents

Mass Movement

Streams and Floods

Groundwater

Glaciers and Ice Ages

Shores and Coastal Processes

Human Use of the Earths Resources Appendices Glossary

Filters