Question 1

In low relief terrain with limited vegetation, limited sand supply, and a constant wind direction, which of the following dune types will develop?

Accepted Answer

A)  barchan dunes 
B)  longitudinal dunes 
C)  transverse dunes 
D)  parabolic dunes 
E)  star dunes 
A)  barchan dunes 
B)  longitudinal dunes 
C)  transverse dunes 
D)  parabolic dunes 
E)  star dunes

Question 2

Which of the following combinations of desert regions are the result of being within a rainshadow?

Accepted Answer

A)  the Gobi Desert, the Sahara Desert of Northern Africa, and the Arabian Desert of the Mideast 
B)  Patagonia, the Great Basin, and the Atacama Desert of Chile and Peru 
C)  the Gobi Desert, the Great Basin, and the Sahara Desert of Northern Africa, and 
D)  the Arabian Desert of the Mideast, Patagonia, and the Atacama Desert of Chile and Peru 
E)  Patagonia, the Sahara Desert of Northern Africa, and the Australian "outback" 
A)  the Gobi Desert, the Sahara Desert of Northern Africa, and the Arabian Desert of the Mideast 
B)  Patagonia, the Great Basin, and the Atacama Desert of Chile and Peru 
C)  the Gobi Desert, the Great Basin, and the Sahara Desert of Northern Africa, and 
D)  the Arabian Desert of the Mideast, Patagonia, and the Atacama Desert of Chile and Peru 
E)  Patagonia, the Sahara Desert of Northern Africa, and the Australian "outback"

Question 3

Which regions are most susceptible to desertification?

Accepted Answer

those on t

Question 4

Ventifacts on the north-facing side of a surface stone would suggest that the prevailing direction of wind is FROM the

Accepted Answer

A)  north 
B)  south 
C)  east 
D)  west 
A)  north 
B)  south 
C)  east 
D)  west

Question 5

Wind transports sediment in ___________or___________ .

Accepted Answer

suspension

Question 6

Silt- and clay-sized sediment in deserts are moved

Accepted Answer

A)  by suspension 
B)  by saltation 
C)  in solution 
D)  by erosion 
A)  by suspension 
B)  by saltation 
C)  in solution 
D)  by erosion

Question 7

What causes the Coriolis effect?

Accepted Answer

the rotati

Question 8

Which sized particles are usually the first to be set in motion by wind?

Accepted Answer

The answer of Which sized particles are usually the first...

Question 9

In what latitudes do most of the world's deserts lie?

Accepted Answer

low and mi

Question 10

Desert soils are thin and patchy because

Accepted Answer

A)  sand, silt, and clay are blown away 
B)  vegetation is sparse 
C)  rainfall is limited 
D)  chemical weathering is not dominant 
E)  all of the above 
A)  sand, silt, and clay are blown away 
B)  vegetation is sparse 
C)  rainfall is limited 
D)  chemical weathering is not dominant 
E)  all of the above

Question 11

It has been estimated that approximately how much land area is converted to deserts, per year, globally?

Accepted Answer

70,000 squ

Question 12

Ventifacts would support which of the following hypotheses?

Accepted Answer

A)  wind is the major agent of erosion in deserts 
B)  wind-blown sediment is capable of abrasion 
C)  venting is a major means of erosion in deserts 
D)  wind is capable of scouring soft rock 
E)  A and B 
A)  wind is the major agent of erosion in deserts 
B)  wind-blown sediment is capable of abrasion 
C)  venting is a major means of erosion in deserts 
D)  wind is capable of scouring soft rock 
E)  A and B

Question 13

Which of the following landforms are NOT formed in deserts?

Accepted Answer

A)  sand dunes 
B)  inselbergs 
C)  alluvial fans 
D)  playa lakes 
E)  none of the above 
A)  sand dunes 
B)  inselbergs 
C)  alluvial fans 
D)  playa lakes 
E)  none of the above

Question 14

Why are loess-derived soils important?

Accepted Answer

They are s

Question 15

Mechanical weathering dominates over chemical weathering in desert regions.

Accepted Answer

A) True 
 B)False

Question 16

Desertification is the result of which of the following factors:

Accepted Answer

A)  global warming 
B)  cropping marginal lands 
C)  overgrazing marginal lands 
D)  clearing of natural vegetation 
E)  all of the above 
A)  global warming 
B)  cropping marginal lands 
C)  overgrazing marginal lands 
D)  clearing of natural vegetation 
E)  all of the above

Question 17

Wind-blown sand is generally moved in

Accepted Answer

A)  water 
B)  suspension load 
C)  saltating load 
D)  debris flows 
E)  A and C 
A)  water 
B)  suspension load 
C)  saltating load 
D)  debris flows 
E)  A and C

Question 18

The source of loess is

Accepted Answer

A)  floodplains of rivers 
B)  deserts 
C)  glacial outwash 
D)  A and C 
E)  all of the above 
A)  floodplains of rivers 
B)  deserts 
C)  glacial outwash 
D)  A and C 
E)  all of the above

Question 19

Deserts form in association with mountain ranges because

Accepted Answer

A)  the mountains provide runoff, the primary agent of erosion in deserts 
B)  the mountains cause a decrease in rainfall on the downwind side or lee side 
C)  associated air masses are warm and dry 
D)  vegetation does not do well in shadows 
A)  the mountains provide runoff, the primary agent of erosion in deserts 
B)  the mountains cause a decrease in rainfall on the downwind side or lee side 
C)  associated air masses are warm and dry 
D)  vegetation does not do well in shadows

Question 20

Air masses are set into motion by much the same mechanism as are plates. What is this mechanism?

Accepted Answer

The answer of Air masses are set into motion by...

In low relief terrain with limited vegetation, limited sand supply, and a constant wind direction, which of the following dune types will develop?

Which of the following combinations of desert regions are the result of being within a rainshadow?

Which regions are most susceptible to desertification?

Ventifacts on the north-facing side of a surface stone would suggest that the prevailing direction of wind is FROM the

Wind transports sediment in _or_ .

Silt- and clay-sized sediment in deserts are moved

What causes the Coriolis effect?

Which sized particles are usually the first to be set in motion by wind?

In what latitudes do most of the world's deserts lie?

Desert soils are thin and patchy because

It has been estimated that approximately how much land area is converted to deserts, per year, globally?

Ventifacts would support which of the following hypotheses?

Which of the following landforms are NOT formed in deserts?

Why are loess-derived soils important?

Mechanical weathering dominates over chemical weathering in desert regions.

Desertification is the result of which of the following factors:

Wind-blown sand is generally moved in

The source of loess is

Deserts form in association with mountain ranges because

Air masses are set into motion by much the same mechanism as are plates. What is this mechanism?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals-The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time: Concepts and Principles

Earthquakes

Earths Interior

The Seafloor

Deformation, Mountain Building, and the Evolution of Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Shorelines and Shoreline Processes

Geology and Humanity

Filters

Exam 18: The Work of Winds and Deserts

In low relief terrain with limited vegetation, limited sand supply, and a constant wind direction, which of the following dune types will develop?

Which of the following combinations of desert regions are the result of being within a rainshadow?

Which regions are most susceptible to desertification?

Ventifacts on the north-facing side of a surface stone would suggest that the prevailing direction of wind is FROM the

Wind transports sediment in ___________or___________ .

Silt- and clay-sized sediment in deserts are moved

What causes the Coriolis effect?

Which sized particles are usually the first to be set in motion by wind?

In what latitudes do most of the world's deserts lie?

Desert soils are thin and patchy because

It has been estimated that approximately how much land area is converted to deserts, per year, globally?

Ventifacts would support which of the following hypotheses?

Which of the following landforms are NOT formed in deserts?

Why are loess-derived soils important?

Mechanical weathering dominates over chemical weathering in desert regions.

Desertification is the result of which of the following factors:

Wind-blown sand is generally moved in

The source of loess is

Deserts form in association with mountain ranges because

Air masses are set into motion by much the same mechanism as are plates. What is this mechanism?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals-The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time: Concepts and Principles

Earthquakes

Earths Interior

The Seafloor

Deformation, Mountain Building, and the Evolution of Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Shorelines and Shoreline Processes

Geology and Humanity

Filters

Wind transports sediment in _or_ .