Question 1

The uplift of mountains is caused by

Accepted Answer

A)  endogenic processes.
B)  aggradation.
C)  denudation.
D)  exogenic forces.
E)  mass movement.

Question 2

The downslope movement of a body of material made up of soil,sediment,or rock propelled by the force of gravity is known as

Accepted Answer

A)  lahar.
B)  downslope flow.
C)  mass movement.
D)  slide.
E)  weathering.

Question 3

On May 5,2014,700 homes in northeastern Afghanistan were buried causing hundreds of fatalities after prolonged rainfall on fine-grained soils led to a

Accepted Answer

A)  solifluction.
B)  creep.
C)  scarification.
D)  rockfall.
E)  landslide.

Question 4

The convex upper portion of a typical slope is called a

Accepted Answer

A)  waning slope.
B)  debris slope.
C)  waxing slope.
D)  free face.
E)  capstone.

Question 5

Chemical weathering is greatest under conditions of

Accepted Answer

A)  higher rainfall and temperatures.
B)  lower rainfall and temperatures.
C)  higher rainfall,but lower temperatures.
D)  lower rainfall,but higher temperatures.
E)  near absence of rainfall,but higher temperatures.

Question 6

Human-induced mass movements produce a category of processes known as

Accepted Answer

A)  debris flows.
B)  denudation.
C)  scarification.
D)  translational slides.
E)  lahar.

Question 7

Other than the rock itself,the most important chemical substance needed for the majority of weathering processes is

Accepted Answer

A)  oxygen.
B)  nitrogen.
C)  water.
D)  carbon dioxide.
E)  potassium.

Question 8

The yellow-red stains that occur on some rock surfaces are the result of ____which is a form of _____weathering.

Accepted Answer

A)  hydration;physical
B)  hydration;chemical
C)  solution;chemical
D)  oxidation;physical
E)  oxidation;chemical

Question 9

The Bingham Canyon Mine outside Salt Lake City,Utah,2014

The photograph shows an example of which mass movement process?

Accepted Answer

A)  debris flows
B)  creep
C)  landslide
D)  scarification
E)  solifluction

Question 10

Which of the following is not a denudation process?

Accepted Answer

A)  chemical weathering
B)  erosion
C)  orogeny
D)  mass movement
E)  physical weathering

Question 11

The presence of talus slopes indicates the occurrence of

Accepted Answer

A)  planar slides.
B)  mudflow.
C)  creep.
D)  rockfall.
E)  slump.

Question 12

Cones and cockpit karst develop in

Accepted Answer

A)  cold,midlatitude climates.
B)  arid regions.
C)  wet tropical areas.
D)  polar regions.
E)  Mediterranean climates.

Question 13

Salt-crystal growth (salt weathering) is prevalent in which climate type?

Accepted Answer

A)  mesothermal
B)  tropical
C)  arid
D)  polar
E)  microthermal

Question 14

Exfoliation is most common in

Accepted Answer

A)  foliated metamorphic rocks.
B)  sedimentary rocks high in CaCO3.
C)  mafic extrusive igneous rocks.
D)  clastic sedimentary rocks.
E)  high silica intrusive igneous rocks.

Question 15

Inclined surfaces that form the boundaries of landforms are known as

Accepted Answer

A)  catchments.
B)  slopes.
C)  free face.
D)  regoliths.
E)  viewsheds.

Question 16

Carbonation,in terms of chemical weathering,occurs when

Accepted Answer

A)  carbon dioxide combines with hydrogen to form hydrocarbons that can weather rock and other materials.
B)  carbon dioxide gas in water is dissolved under high pressure.
C)  water vapor dissolves carbon dioxide,yielding precipitation that contains carbonic acid.
D)  carbon dioxide interacts with calcium hydroxide and hydrates calcium silicates.
E)  any chemical reaction involving carbon dioxide occurs in the soil.

Question 17

Continuing dissolution and collapse may lead the coalescing of sinkholes to form a

Accepted Answer

A)  disappearing stream.
B)  rise.
C)  doline.
D)  drip curtain.
E)  karst valley.

Question 18

When rock is broken down and disintegrated in the presence of water and with chemical alterations to the rock,the process in operation is

Accepted Answer

A)  physical weathering.
B)  chemical weathering.
C)  mass movement.
D)  scarification.
E)  biological weathering.

Question 19

The angle of repose represent a balance between the driving force and resisting force.Which of the following is the driving force?

Accepted Answer

A)  friction
B)  shear
C)  gravity
D)  inertia
E)  cohesion

Question 20

Which of the following is not necessary for well-developed karst to develop?

Accepted Answer

A)  high proportion of calcium carbonate in the rock
B)  joints in rock of otherwise low permeability
C)  vegetation
D)  arid conditions
E)  a zone of air between the ground surface and water table

Exam 13: Weathering, Karst Landscapes, and Mass Movement

On May 5,2014,700 homes in northeastern Afghanistan were buried causing hundreds of fatalities after prolonged rainfall on fine-grained soils led to a

Correct AnswerverifiedShow Answer

The uplift of mountains is caused by

Correct AnswerverifiedShow Answer

Inclined surfaces that form the boundaries of landforms are known as

Correct AnswerverifiedShow Answer

Salt-crystal growth (salt weathering) is prevalent in which climate type?

Correct AnswerverifiedShow Answer

Which of the following is not a denudation process?

Correct AnswerverifiedShow Answer

Other than the rock itself,the most important chemical substance needed for the majority of weathering processes is

Correct AnswerverifiedShow Answer

Continuing dissolution and collapse may lead the coalescing of sinkholes to form a

Correct AnswerverifiedShow Answer

The Bingham Canyon Mine outside Salt Lake City,Utah,2014 The photograph shows an example of which mass movement process?

Correct AnswerverifiedShow Answer

The yellow-red stains that occur on some rock surfaces are the result of ____which is a form of _____weathering.

Correct AnswerverifiedShow Answer

The angle of repose represent a balance between the driving force and resisting force.Which of the following is the driving force?

Correct AnswerverifiedShow Answer

When rock is broken down and disintegrated in the presence of water and with chemical alterations to the rock,the process in operation is

Correct AnswerverifiedShow Answer

Human-induced mass movements produce a category of processes known as

Correct AnswerverifiedShow Answer

Chemical weathering is greatest under conditions of

Correct AnswerverifiedShow Answer

Carbonation,in terms of chemical weathering,occurs when

Correct AnswerverifiedShow Answer

The presence of talus slopes indicates the occurrence of

Correct AnswerverifiedShow Answer

The convex upper portion of a typical slope is called a

Correct AnswerverifiedShow Answer

Exfoliation is most common in

Correct AnswerverifiedShow Answer

Which of the following is not necessary for well-developed karst to develop?

Correct AnswerverifiedShow Answer

Cones and cockpit karst develop in

Correct AnswerverifiedShow Answer

The downslope movement of a body of material made up of soil,sediment,or rock propelled by the force of gravity is known as

Correct AnswerverifiedShow Answer

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The yellow-red stains that occur on some rock surfaces are the result of which is a form of _weathering.

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