Question 1

Which one of the following statements is TRUE?

Accepted Answer

A) Rainshadow deserts occur on the windward side of a mountain when air masses are forced to rise upwards. 
B) Deserts and dry lands are concentrated in areas of ascending air masses and relatively low atmospheric pressures. 
C) Despite infrequent rainfalls, erosional and depositional features of running water are important in desert landscapes. 
D) Desert landscapes are monotonous, relatively flat areas covered to various depths with sand. 
A) Rainshadow deserts occur on the windward side of a mountain when air masses are forced to rise upwards. 
B) Deserts and dry lands are concentrated in areas of ascending air masses and relatively low atmospheric pressures. 
C) Despite infrequent rainfalls, erosional and depositional features of running water are important in desert landscapes. 
D) Desert landscapes are monotonous, relatively flat areas covered to various depths with sand. C

Question 2

________dunes are long, high, sand dunes parallel with the prevailing wind direction.

Accepted Answer

A) Longitudinal 
B) Latitudinal 
C) Transducinal 
D) Transversal 
A) Longitudinal 
B) Latitudinal 
C) Transducinal 
D) Transversal A

Question 3

What mature, desert landscape feature consists of coalesced alluvial fans?

Accepted Answer

A) bahia 
B) balda 
C) bajada 
D) baja 
A) bahia 
B) balda 
C) bajada 
D) baja C

Question 4

Which of the following best describes the climatic factors that cause low latitude deserts like the Sahara in Africa?

Accepted Answer

A) Cool, dry air aloft is descending; surface winds are blowing toward the equator. 
B) Cool, dry air at the surface is rising causing winds to blow away from the equator. 
C) Warm, humid air is rising; surface winds are calm. 
D) Warm, humid air aloft is descending; surface winds blow away from the equator. 
A) Cool, dry air aloft is descending; surface winds are blowing toward the equator. 
B) Cool, dry air at the surface is rising causing winds to blow away from the equator. 
C) Warm, humid air is rising; surface winds are calm. 
D) Warm, humid air aloft is descending; surface winds blow away from the equator.

Question 5

The leeward slope of a sand dune is also known as the _________ _.

Accepted Answer

The answer of The leeward slope of a sand dune...

Question 6

Which one of the following is the one best measure of the wetness or dryness of a region?

Accepted Answer

A) difference between annual precipitation and evaporation potential 
B) total annual precipitation 
C) mean annual temperature 
D) percentage of precipitation that falls during the summer months 
A) difference between annual precipitation and evaporation potential 
B) total annual precipitation 
C) mean annual temperature 
D) percentage of precipitation that falls during the summer months

Question 7

A _________ is a crescent- shaped dune whose tips point downwind.

Accepted Answer

A) transverse 
B) parabarcal 
C) barchan 
D) star 
A) transverse 
B) parabarcal 
C) barchan 
D) star

Question 8

Rainshadow deserts are common in __________.

Accepted Answer

A) vast, dry, steppe lands like the Great Plains 
B) the dry valleys of eastern California and Nevada 
C) north central Africa 
D) Europe north of the Alps 
A) vast, dry, steppe lands like the Great Plains 
B) the dry valleys of eastern California and Nevada 
C) north central Africa 
D) Europe north of the Alps

Question 9

Which one of the following will effectively limit further deflation in a given area?

Accepted Answer

A) a hanging valley 
B) the repose level 
C) desert pavement 
D) sea level 
A) a hanging valley 
B) the repose level 
C) desert pavement 
D) sea level

Question 10

All of the following statements concerning dry lands are true EXCEPT________ .

Accepted Answer

A) evaporation potential exceeds actual precipitation 
B) storms are infrequent and rainfall amounts are highly variable 
C) wind is the dominant agent of erosion and sediment transport 
D) precipitation totals are low; dew points are lower in the summer than winter 
A) evaporation potential exceeds actual precipitation 
B) storms are infrequent and rainfall amounts are highly variable 
C) wind is the dominant agent of erosion and sediment transport 
D) precipitation totals are low; dew points are lower in the summer than winter

Question 11

________dunes are long, sand ridges that develop at right angles to the prevailing wind direction.

Accepted Answer

The answer of ________dunes are long, sand ridges that develop...

Question 12

A ________ is formed by abrasion of rocks by windblown sand.

Accepted Answer

A) desert pavement 
B) ventifact 
C) pediment 
D) playa 
A) desert pavement 
B) ventifact 
C) pediment 
D) playa

Question 13

Which one of the following concerning desert lands is FALSE?

Accepted Answer

A) Wind erosion and deposition are important processes. 
B) Most desert areas are characterized by descending wind patterns. 
C) Less than 30 percent is covered with dunes and drifting sand. 
D) Running water has little effect on shaping the landscape. 
A) Wind erosion and deposition are important processes. 
B) Most desert areas are characterized by descending wind patterns. 
C) Less than 30 percent is covered with dunes and drifting sand. 
D) Running water has little effect on shaping the landscape.

Question 14

Which one of the following is a low- latitude desert characterized by high atmospheric pressures and descending air masses (not rain shadow deserts)?

Accepted Answer

A) Gobi Desert, China and Mongolia 
B) desert valleys of the Great Basin, United States 
C) Sahara Desert; northern Africa 
D) Atacama Desert in Chile, South America 
A) Gobi Desert, China and Mongolia 
B) desert valleys of the Great Basin, United States 
C) Sahara Desert; northern Africa 
D) Atacama Desert in Chile, South America

Question 15

________dunes result from persistent, onshore winds in certain coastal areas.

Accepted Answer

A) Diabolic 
B) Barchanoid 
C) Staroid 
D) Parabolic 
A) Diabolic 
B) Barchanoid 
C) Staroid 
D) Parabolic

Question 16

The low, bedrock ridges and peaks of a highly eroded, basin and range, desert landscape are called________ .

Accepted Answer

The answer of The low, bedrock ridges and peaks of...

Question 17

Which one of the following statements is CORRECT?

Accepted Answer

A) Saline sediments and evaporites are common in inselbergs and pediments of desert landscapes. 
B) Playas are typically covered with gravel- sized desert pavement and loess deposits. 
C) Inselbergs are low, circular depressions on gently sloping pediments and bajadas. 
D) Alluvial fans typically rim desert valleys; playas form in the lowest, interior parts of the valleys. 
A) Saline sediments and evaporites are common in inselbergs and pediments of desert landscapes. 
B) Playas are typically covered with gravel- sized desert pavement and loess deposits. 
C) Inselbergs are low, circular depressions on gently sloping pediments and bajadas. 
D) Alluvial fans typically rim desert valleys; playas form in the lowest, interior parts of the valleys.

Question 18

________refers to the "bouncing" mode of sand transport in a windstorm or stream.

Accepted Answer

A) Deflation 
B) Saltation 
C) Ventifaction 
D) Siltation 
A) Deflation 
B) Saltation 
C) Ventifaction 
D) Siltation

Question 19

________are rocks with one or more flat surfaces abraded by windblown sand.

Accepted Answer

The answer of ________are rocks with one or more flat...

Question 20

Loess deposits in the central United States ________.

Accepted Answer

A) were originally deposited as barchanoid dunes and later redeposited by glaciers 
B) originated as rock flour in Pleistocene glacial streams and rivers 
C) accumulated from flooding of the Mississippi River 
D) blew in from the dry areas in the Great Plains and southwestern desert areas 
A) were originally deposited as barchanoid dunes and later redeposited by glaciers 
B) originated as rock flour in Pleistocene glacial streams and rivers 
C) accumulated from flooding of the Mississippi River 
D) blew in from the dry areas in the Great Plains and southwestern desert areas

Which one of the following statements is TRUE?

________dunes are long, high, sand dunes parallel with the prevailing wind direction.

What mature, desert landscape feature consists of coalesced alluvial fans?

Which of the following best describes the climatic factors that cause low latitude deserts like the Sahara in Africa?

The leeward slope of a sand dune is also known as the _________ _.

Which one of the following is the one best measure of the wetness or dryness of a region?

A _________ is a crescent- shaped dune whose tips point downwind.

Rainshadow deserts are common in __________.

Which one of the following will effectively limit further deflation in a given area?

All of the following statements concerning dry lands are true EXCEPT________ .

________dunes are long, sand ridges that develop at right angles to the prevailing wind direction.

A ________ is formed by abrasion of rocks by windblown sand.

Which one of the following concerning desert lands is FALSE?

Which one of the following is a low- latitude desert characterized by high atmospheric pressures and descending air masses (not rain shadow deserts)?

________dunes result from persistent, onshore winds in certain coastal areas.

The low, bedrock ridges and peaks of a highly eroded, basin and range, desert landscape are called________ .

Which one of the following statements is CORRECT?

________refers to the "bouncing" mode of sand transport in a windstorm or stream.

________are rocks with one or more flat surfaces abraded by windblown sand.

Loess deposits in the central United States ________.

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters

Exam 16: Deserts and Wind

Which one of the following statements is TRUE?

________dunes are long, high, sand dunes parallel with the prevailing wind direction.

What mature, desert landscape feature consists of coalesced alluvial fans?

Which of the following best describes the climatic factors that cause low latitude deserts like the Sahara in Africa?

The leeward slope of a sand dune is also known as the _________ _.

Which one of the following is the one best measure of the wetness or dryness of a region?

A _________ is a crescent- shaped dune whose tips point downwind.

Rainshadow deserts are common in __________.

Which one of the following will effectively limit further deflation in a given area?

All of the following statements concerning dry lands are true EXCEPT________ .

________dunes are long, sand ridges that develop at right angles to the prevailing wind direction.

A ________ is formed by abrasion of rocks by windblown sand.

Which one of the following concerning desert lands is FALSE?

Which one of the following is a low- latitude desert characterized by high atmospheric pressures and descending air masses (not rain shadow deserts)?

________dunes result from persistent, onshore winds in certain coastal areas.

The low, bedrock ridges and peaks of a highly eroded, basin and range, desert landscape are called________ .

Which one of the following statements is CORRECT?

________refers to the "bouncing" mode of sand transport in a windstorm or stream.

________are rocks with one or more flat surfaces abraded by windblown sand.

Loess deposits in the central United States ________.

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters