What is the fastest type of mass wasting process?
A descending mass moving downslope as a viscous fluid is referred to as
The driving force behind all mass wasting processes is
Which of the following is effective in preventing rocks from falling on a roadway?
Install rock bolts that "stitch" the rocks together
Slopes that have been stable for many years may sometimes fail catastrophically. What is a common trigger for these failures?
removal of vegetative cover
A rockfall occurs when
a block of bedrock breaks off and falls freely from a cliff
One method of stabilizing slopes to prevent mass wasting is
build appropriately engineered retaining structures.
Mass wasting events may be triggered by
melting permafrost , earthquakes, torrential rain
Which of the following is a form of mass wasting?
landslide, rock avalanche , mudflow
The downslope movement of material under the influence of gravity is known as
Which of the following mass wasting phenomenon moves faster than a person can run?
Which of the following does not promote mass movement?
One of the most effective ways to stabilize a slope is to
control and remove water
Which of the following processes is not strongly influenced by gravity?
flow of glacial ice, movement of landslides and debris slides, movement of water in streams
Which of the following situations is least likely to result in mass movement?
a slope with abundant vegetation
Which of the following situations is most likely to undergo mass wasting?
a wet, steep slope of unconsolidated material
Which of the following slopes is least stable?
a slope where the sedimentary layers dip parallel to the slope
How do geologists classify mass movements?
speed of the mass movement, nature of material, nature of movement
What is the difference between an earth flow and debris flow?
Earthflows consist of finer material than debris flows
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