Question 1

What are the three key factors expected to increase the risk and incidence of landslides over the next century?

Accepted Answer

1.urbanization 
2.tr

Question 2

Chemical weathering,which decreases rock strength,results from

Accepted Answer

A)  water freezing and thawing in the cracks in rocks. 
B)  hot water depositing minerals in the cracks in rocks. 
C)  carbonic acid dissolving rocks. 
D)  acetic acid dissolving rocks. 
E)  water dissolving rocks. 
A)  water freezing and thawing in the cracks in rocks. 
B)  hot water depositing minerals in the cracks in rocks. 
C)  carbonic acid dissolving rocks. 
D)  acetic acid dissolving rocks. 
E)  water dissolving rocks.

Question 3

A type of landslide that is common in both humid and arid climates is

Accepted Answer

A)  rock falls. 
B)  debris flows. 
C)  shallow soil slips. 
D)  slumps. 
E)  deep complex landslides. 
A)  rock falls. 
B)  debris flows. 
C)  shallow soil slips. 
D)  slumps. 
E)  deep complex landslides.

Question 4

Sackung is the rapid downslope movement of a coherent block of rock or sediment.

Accepted Answer

A) True 
 B)False

Question 5

Landslides do not occur in the low-lying areas of eastern Ontario and southwestern Quebec.

Accepted Answer

A) True 
 B)False

Question 6

Liquefaction can occur without earthquake shaking.

Accepted Answer

A) True 
 B)False

Question 7

On average,how many people are killed by landslides in North America each year?

Accepted Answer

A)  1000 
B)  100 
C)  30 
D)  5 
E)  300 
A)  1000 
B)  100 
C)  30 
D)  5 
E)  300

Question 8

A large,slow-moving earthflow can be stabilized by

Accepted Answer

A)  covering the surface with permeable gravel. 
B)  covering the surface with metal mesh. 
C)  using rock bolts. 
D)  flooding the toe of the slope. 
E)  installing drains. 
A)  covering the surface with permeable gravel. 
B)  covering the surface with metal mesh. 
C)  using rock bolts. 
D)  flooding the toe of the slope. 
E)  installing drains.

Question 9

Which of the following types of mass movements is the slowest?

Accepted Answer

A)  slump 
B)  earthflow 
C)  debris flow 
D)  creep 
E)  rock fall 
A)  slump 
B)  earthflow 
C)  debris flow 
D)  creep 
E)  rock fall

Question 10

Describe the material in and consistency of a debris flow.

Accepted Answer

Debris flows are mixtures of m

Question 11

How can landslides provide a natural service function?

Accepted Answer

A)  Clearing areas can increase plant and animal diversity. 
B)  Landslide dammed lakes provide new fish habitat. 
C)  Extraction and transportation of valuable minerals from rocks. 
D)  Attracts and promotes tourism in remote communities. 
E)  All of the above 
A)  Clearing areas can increase plant and animal diversity. 
B)  Landslide dammed lakes provide new fish habitat. 
C)  Extraction and transportation of valuable minerals from rocks. 
D)  Attracts and promotes tourism in remote communities. 
E)  All of the above

Question 12

Vegetation is a significant factor in slope stability because

Accepted Answer

A)  it provides a protective cover that reduces the impact of falling rain. 
B)  plant roots reduce cohesion to slope materials. 
C)  it adds weight to a slope which can decrease the likelihood that the slope will fail. 
D)  plant roots accelerate surface erosion. 
E)  plant roots decrease the resistance of a slope to landsliding. 
A)  it provides a protective cover that reduces the impact of falling rain. 
B)  plant roots reduce cohesion to slope materials. 
C)  it adds weight to a slope which can decrease the likelihood that the slope will fail. 
D)  plant roots accelerate surface erosion. 
E)  plant roots decrease the resistance of a slope to landsliding.

Question 13

Name two natural service functions of landslides.

Accepted Answer

Creation of new habitats in fo

Question 14

Which of the following is NOT a common technique for engineering landslide prevention?

Accepted Answer

A)  drainage control 
B)  construction of dykes 
C)  removal of unstable slope materials 
D)  grading of slopes 
E)  construction of retaining walls 
A)  drainage control 
B)  construction of dykes 
C)  removal of unstable slope materials 
D)  grading of slopes 
E)  construction of retaining walls

Question 15

What does landslide risk include that landslide hazard does not?

Accepted Answer

Risk takes into account human

Question 16

Describe the process of estimating the velocity of a landslide from remnants of debris flows,give specific examples.

Accepted Answer

When approaching landslide remnants,for

Question 17

If you were considering purchasing a property on a slope,what should you do before making your decision to buy?

Accepted Answer

Get the property evaluated by a professi

Question 18

Which of the following areas of North America has the lowest landslide risk?

Accepted Answer

A)  British Columbia 
B)  the Canadian Prairies 
C)  the Appalachians 
D)  the U.S. Great Plains 
E)  the St. Lawrence River Valley 
A)  British Columbia 
B)  the Canadian Prairies 
C)  the Appalachians 
D)  the U.S. Great Plains 
E)  the St. Lawrence River Valley

Question 19

Which of the following landslide types involves a flow of wet,deformed soil and weathered rock?

Accepted Answer

A)  rockfall 
B)  rockslide 
C)  earthflow 
D)  slump 
E)  creep 
A)  rockfall 
B)  rockslide 
C)  earthflow 
D)  slump 
E)  creep

Question 20

At the base of a steep rocky headland,ocean wave action

Accepted Answer

A)  deposits sand and stabilizes the cliff face. 
B)  removes material from the cliff base, decreasing the factor of safety. 
C)  has no effect on slope stability because wave energy directly reflects back to sea. 
D)  produces salt spray, which dissolves the rock face and decreases the factor of safety. 
E)  mixes with loose materials and creates debris flows. 
A)  deposits sand and stabilizes the cliff face. 
B)  removes material from the cliff base, decreasing the factor of safety. 
C)  has no effect on slope stability because wave energy directly reflects back to sea. 
D)  produces salt spray, which dissolves the rock face and decreases the factor of safety. 
E)  mixes with loose materials and creates debris flows.

What are the three key factors expected to increase the risk and incidence of landslides over the next century?

Chemical weathering,which decreases rock strength,results from

A type of landslide that is common in both humid and arid climates is

Sackung is the rapid downslope movement of a coherent block of rock or sediment.

Landslides do not occur in the low-lying areas of eastern Ontario and southwestern Quebec.

Liquefaction can occur without earthquake shaking.

On average,how many people are killed by landslides in North America each year?

A large,slow-moving earthflow can be stabilized by

Which of the following types of mass movements is the slowest?

Describe the material in and consistency of a debris flow.

How can landslides provide a natural service function?

Vegetation is a significant factor in slope stability because

Name two natural service functions of landslides.

Which of the following is NOT a common technique for engineering landslide prevention?

What does landslide risk include that landslide hazard does not?

Describe the process of estimating the velocity of a landslide from remnants of debris flows,give specific examples.

If you were considering purchasing a property on a slope,what should you do before making your decision to buy?

Which of the following areas of North America has the lowest landslide risk?

Which of the following landslide types involves a flow of wet,deformed soil and weathered rock?

At the base of a steep rocky headland,ocean wave action

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

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Exam 6: Landslides

What are the three key factors expected to increase the risk and incidence of landslides over the next century?

Chemical weathering,which decreases rock strength,results from

A type of landslide that is common in both humid and arid climates is

Sackung is the rapid downslope movement of a coherent block of rock or sediment.

Landslides do not occur in the low-lying areas of eastern Ontario and southwestern Quebec.

Liquefaction can occur without earthquake shaking.

On average,how many people are killed by landslides in North America each year?

A large,slow-moving earthflow can be stabilized by

Which of the following types of mass movements is the slowest?

Describe the material in and consistency of a debris flow.

How can landslides provide a natural service function?

Vegetation is a significant factor in slope stability because

Name two natural service functions of landslides.

Which of the following is NOT a common technique for engineering landslide prevention?

What does landslide risk include that landslide hazard does not?

Describe the process of estimating the velocity of a landslide from remnants of debris flows,give specific examples.

If you were considering purchasing a property on a slope,what should you do before making your decision to buy?

Which of the following areas of North America has the lowest landslide risk?

Which of the following landslide types involves a flow of wet,deformed soil and weathered rock?

At the base of a steep rocky headland,ocean wave action

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters