For each question below, choose the letter corresponding to the BEST answer.

1		What is the slowest type of mass wasting process? Need a Hint?
			A)	rotational slump
			B)	creep
			C)	rock avalanche
			D)	debris flow
2		Any unconsolidated material at the Earth's surface of any size is called: Need a Hint?
			A)	soil.
			B)	scree.
			C)	talus.
			D)	debris.
3		A descending mass moving downslope as a viscous fluid is referred to as: Need a Hint?
			A)	slump.
			B)	flow.
			C)	slide.
			D)	fall.
4		The driving force behind all mass wasting processes is: Need a Hint?
			A)	presence of vegetation.
			B)	presence of water.
			C)	gravity.
			D)	slope angle.
5		The resistance to movement or deformation of debris is its: Need a Hint?
			A)	density.
			B)	shear force.
			C)	mass.
			D)	shear strength.
6		Flow of water-saturated debris over impermeable material is called: Need a Hint?
			A)	solifluction.
			B)	fall.
			C)	slip.
			D)	flow.
7		An apron of fallen rock fragments that accumulates at the base of a cliff is called: Need a Hint?
			A)	debris.
			B)	talus.
			C)	sediment.
			D)	soil.
8		Which of the following is effective in preventing rocks from falling on a roadway? Need a Hint?
			A)	Install rock bolts that "stitch" the rocks together.
			B)	Spray cement or other binding compounds (such as grout) on exposed rock outcrops.
			C)	Install a "net" of chain-link fencing over exposed rock outcrops.
			D)	all of these are effective methods
9		Slopes that have been stable for many years may sometimes fail catastrophically. What is a common trigger for these failures? Need a Hint?
			A)	addition of water to the slope
			B)	reducing the gradient of the slope
			C)	draining of water from the slope
			D)	growth of vegetation on the slope
10		A rockfall occurs when: Need a Hint?
			A)	a block of bedrock breaks off and falls freely from a cliff.
			B)	rock layers are displace slowly downslope year after year.
			C)	soil and debris move downlsope as a viscous fluid.
			D)	none of these
11		For mass wasting to occur, what forces must become unbalanced? Need a Hint?
			A)	normal force, shear force, friction
			B)	shear force and friction
			C)	gravity, normal force, shear force
			D)	gravity and friction
12		Some form of mass wasting occurs: Need a Hint?
			A)	as a result of plate motions.
			B)	on any slope.
			C)	only when abundant water is added to a slope.
			D)	whenever slopes are steeper than the angle of repose.
13		Mass wasting processes are classified according to: Need a Hint?
			A)	rate of movement.
			B)	type of material.
			C)	type of movement.
			D)	all of these
14		One method of stabilizing slopes to prevent mass wasting is: Need a Hint?
			A)	vegetate the slope.
			B)	cut away the base of the slope with heavy equipment.
			C)	add weight to the slope.
			D)	make the slope steeper.
15		Slopes can be destabilized and the potential for mass wasting increased by: Need a Hint?
			A)	adding a retaining wall to a slope.
			B)	draining water from the slope.
			C)	making the slope steeper.
			D)	none of this will destablize a slope
16		Mass wasting events may be triggered by: Need a Hint?
			A)	melting of permafrost.
			B)	earthquakes.
			C)	torrential rain.
			D)	all of these
17		Which of the following is not a form of mass wasting? Need a Hint?
			A)	a landslide
			B)	a pyroclastic flow
			C)	an avalanche
			D)	a mudflow
18		Rock avalanches are most common: Need a Hint?
			A)	in areas where glaciers have deposited boulders and other gravel.
			B)	in the deep sea.
			C)	in areas of steep topography where large earthquakes are possible.
			D)	all of these can generate rock avalanches
19		The downslope movement of material under the influence of gravity is known as: Need a Hint?
			A)	downslope movement.
			B)	land sliding.
			C)	mass wasting.
			D)	none of these
20		Which of the following mass wasting phenomenon could a person outrun? Need a Hint?
			A)	mudflow
			B)	debris flow
			C)	rock avalanche
			D)	a person could not outrun any of these phenomena