Question 1

In arid regions, every large canyon has an alluvial fan that grows down the piedmont slope.

Accepted Answer

A) True 
 B)False

Question 2

Most mesas become inselbergs in their final stage of erosion.

Accepted Answer

A) True 
 B)False

Question 3

If a salty playa lake evaporates, a ________ might be left behind.

Accepted Answer

A)  scarp 
B)  salina 
C)  wadi 
D)  gulley 
E)  pediment 
A)  scarp 
B)  salina 
C)  wadi 
D)  gulley 
E)  pediment

Question 4

Sand dunes are composed mainly of individual grains of ________.

Accepted Answer

A)  quartz 
B)  sodium 
C)  calcium carbonate 
D)  loess 
E)  lime 
A)  quartz 
B)  sodium 
C)  calcium carbonate 
D)  loess 
E)  lime

Question 5

Drainage networks of arid lands are frequently incomplete or underdeveloped.

Accepted Answer

A) True 
 B)False

Question 6

The barren surface composed of consolidated material, usually of exposed bedrock is ________.

Accepted Answer

A)  desert armor 
B)  an hamada 
C)  a reg 
D)  an erg 
E)  a playa 
A)  desert armor 
B)  an hamada 
C)  a reg 
D)  an erg 
E)  a playa

Question 7

Death Valley was formerly occupied by glacial Lake Bonneville.

Accepted Answer

A) True 
 B)False

Question 8

Drainage channels in the dry mountains usually have a(n) ________ profile.

Accepted Answer

A)  S-shaped 
B)  U-shaped 
C)  V-shaped 
D)  convex 
E)  smooth 
A)  S-shaped 
B)  U-shaped 
C)  V-shaped 
D)  convex 
E)  smooth

Question 9

Many of today's loess deposits date from the time of the Pleistocene glaciation.

Accepted Answer

A) True 
 B)False

Question 10

Most desert streamflow eventually ________.

Accepted Answer

A)  runs to the sea 
B)  becomes perennial 
C)  evaporates or seeps into the landscape 
D)  ends many weeks after a rain 
E)  flows into an exotic stream 
A)  runs to the sea 
B)  becomes perennial 
C)  evaporates or seeps into the landscape 
D)  ends many weeks after a rain 
E)  flows into an exotic stream

Question 11

Variations in rock type and structure affect the slope and shape of landforms. These landforms are produced by ________.

Accepted Answer

A)  exotic streams 
B)  solution 
C)  aeolian erosion 
D)  differential erosion 
E)  pediments 
A)  exotic streams 
B)  solution 
C)  aeolian erosion 
D)  differential erosion 
E)  pediments

Question 12

Explain how three landforms of the basin-and-range landscape assemblage have formed.

Accepted Answer

This can be any of t

Question 13

As loess erodes, it ________.

Accepted Answer

A)  forms bluffs 
B)  weathers to a darker color 
C)  forms floodplains 
D)  weathers to gravel size 
E)  can be deposited to make sand dunes 
A)  forms bluffs 
B)  weathers to a darker color 
C)  forms floodplains 
D)  weathers to gravel size 
E)  can be deposited to make sand dunes

Question 14

The Huang He is a river which received its name from the color of the loess sediment it carries.

Accepted Answer

A) True 
 B)False

Question 15

The prime factors in desertification in the Sahel were a natural drought and ________.

Accepted Answer

A)  an increase in forest cover 
B)  overgrazing 
C)  fence building 
D)  tribal wars 
E)  deposition of desert sand 
A)  an increase in forest cover 
B)  overgrazing 
C)  fence building 
D)  tribal wars 
E)  deposition of desert sand

Question 16

Aeolian processes are at their maximum in areas with sand surfaces.

Accepted Answer

A) True 
 B)False

Question 17

Sapping is an erosional process closely associated with ________.

Accepted Answer

A)  volcanoes in arid lands 
B)  playas 
C)  sand dunes 
D)  rock joints 
E)  metamorphism in arid lands 
A)  volcanoes in arid lands 
B)  playas 
C)  sand dunes 
D)  rock joints 
E)  metamorphism in arid lands

Question 18

Concerning desertification, which of the following is FALSE?

Accepted Answer

A)  It is a problem in the Sahel. 
B)  It is associated with desert margins. 
C)  It has happened in the United States. 
D)  Overgrazing is a direct cause. 
E)  Fortunately, it is a major problem only in Africa. 
A)  It is a problem in the Sahel. 
B)  It is associated with desert margins. 
C)  It has happened in the United States. 
D)  Overgrazing is a direct cause. 
E)  Fortunately, it is a major problem only in Africa.

Question 19

In mesa-and-scarp topography, ________ are typically the most resistant layers which form a caprock.

Accepted Answer

A)  limestone and sandstone 
B)  granite and basalt 
C)  shale and volcanic ash 
D)  gneiss and loess 
E)  folds and faults 
A)  limestone and sandstone 
B)  granite and basalt 
C)  shale and volcanic ash 
D)  gneiss and loess 
E)  folds and faults

Question 20

Basin-and-range terrain consists of the ranges, the piedmont zone, and the basins.

Accepted Answer

A) True 
 B)False

In arid regions, every large canyon has an alluvial fan that grows down the piedmont slope.

Most mesas become inselbergs in their final stage of erosion.

If a salty playa lake evaporates, a ________ might be left behind.

Sand dunes are composed mainly of individual grains of ________.

Drainage networks of arid lands are frequently incomplete or underdeveloped.

The barren surface composed of consolidated material, usually of exposed bedrock is ________.

Death Valley was formerly occupied by glacial Lake Bonneville.

Drainage channels in the dry mountains usually have a(n) ________ profile.

Many of today's loess deposits date from the time of the Pleistocene glaciation.

Most desert streamflow eventually ________.

Variations in rock type and structure affect the slope and shape of landforms. These landforms are produced by ________.

Explain how three landforms of the basin-and-range landscape assemblage have formed.

As loess erodes, it ________.

The Huang He is a river which received its name from the color of the loess sediment it carries.

The prime factors in desertification in the Sahel were a natural drought and ________.

Aeolian processes are at their maximum in areas with sand surfaces.

Sapping is an erosional process closely associated with ________.

Concerning desertification, which of the following is FALSE?

In mesa-and-scarp topography, ________ are typically the most resistant layers which form a caprock.

Basin-and-range terrain consists of the ranges, the piedmont zone, and the basins.

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Atmospheric Disturbances

Climate and Climate Change

The Hydrosphere

Cycles and Patterns of the Biosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Preliminaries to Weathering: Mass Wasting and Erosion

Fluvial Processes

Karst and Hydrothermal Processes

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters

Exam 18: The Topography of Arid Lands

In arid regions, every large canyon has an alluvial fan that grows down the piedmont slope.

Most mesas become inselbergs in their final stage of erosion.

If a salty playa lake evaporates, a ________ might be left behind.

Sand dunes are composed mainly of individual grains of ________.

Drainage networks of arid lands are frequently incomplete or underdeveloped.

The barren surface composed of consolidated material, usually of exposed bedrock is ________.

Death Valley was formerly occupied by glacial Lake Bonneville.

Drainage channels in the dry mountains usually have a(n) ________ profile.

Many of today's loess deposits date from the time of the Pleistocene glaciation.

Most desert streamflow eventually ________.

Variations in rock type and structure affect the slope and shape of landforms. These landforms are produced by ________.

Explain how three landforms of the basin-and-range landscape assemblage have formed.

As loess erodes, it ________.

The Huang He is a river which received its name from the color of the loess sediment it carries.

The prime factors in desertification in the Sahel were a natural drought and ________.

Aeolian processes are at their maximum in areas with sand surfaces.

Sapping is an erosional process closely associated with ________.

Concerning desertification, which of the following is FALSE?

In mesa-and-scarp topography, ________ are typically the most resistant layers which form a caprock.

Basin-and-range terrain consists of the ranges, the piedmont zone, and the basins.

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Atmospheric Disturbances

Climate and Climate Change

The Hydrosphere

Cycles and Patterns of the Biosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Preliminaries to Weathering: Mass Wasting and Erosion

Fluvial Processes

Karst and Hydrothermal Processes

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters