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Practice Quizzes
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1
What role does weathering play in mass wasting?
A)It is caused by chemical weathering
B)It is caused by physical weathering
C)Neither plays a role
D)Both play a role
2
What is the down slope movement of material under the influence of gravity?
A)Mass wasting
B)Pressure release
C)Weathering
3
What happened in La Conchita, California in 1995 and 2005?
A)A landslide that was not a natural phenomenon
B)A landslide that was not a natural disaster
C)A landslide that was a natural phenomenon
D)A landslide that was a natural disaster
4
In general, which of the following areas has the highest risk for mass wasting?
A)Florida and Gulf coast
B)Appalachian region
C)Great plains
5
What force causes mass wasting?
A)Excessive water
B)Steep slopes
C)Gravity
6
Which of the following is not a factor involved in mass wasting?
A)excessive amounts of water
B)gravity
C)the steepness of slopes
D)the cohesiveness of the geological materials
E)all of the above are factors in mass wasting
7
Which of the following is not accurate concerning water and mass wasting in unconsolidated (loose) materials?
A)Slopes can be unstable if the material is too dry
B)Slopes can be more stable if the material has some water in it
C)Slopes become unstable when a small amount of water is added
D)Slopes become very unstable if there is too much water
E)all of the above statements relating water and mass wasting are accurate.
8
If you needed to stabilize a hill slope, which method would most likely assist in destabilizing the slope and creating an environment that favors mass wasting events happening?
A)Plant a lot of trees and grass to lock the soil in place
B)use wire mesh fencing to stabilize loose materials and keep them from falling down the slope
C)install drain pipes and field tiles to encourage good drainage of excessive water
D)building a big house on the top of a cliff so that the material is compressed by the weight of the home
E)applying rock bolts that anchor loose materials to more solid bedrock underneath
9
Which of the following is not considered a mass wasting event?
A)a rock that falls off a cliff onto a roadway
B)an avalanche that consists of ice, snow, trees and rocks
C)a lahar or volcanic ash mixed with melt water from a volcanic eruption
D)material that is saturated with water that breaks loose and flows down the hill slope
E)all of the above are mass wasting events





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