Question 1

Which are extensive landscapes formed by the dissolution of limestone and other carbonate rock and characterized by pitted,bumpy surface topography,poor surface drainage,and well developed solutions channels?

Accepted Answer

A)  Plains.
B)  Basins.
C)  Karst topography.
D)  High tablelands.E) A) and D)
F) B) and D)

Question 2

Chemical weathering is greatest under which conditions?

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) A) and B)
F) A) and C)

Question 3

The angle of repose typically ranges from 15° to 30° from horizontal.

Accepted Answer

A) True 
 B)False

Question 4

After a threshold is crossed,which best describes the landscape?

Accepted Answer

A)  The landscape remains unstable thereafter.
B)  The landscape adjusts to a new equilibrium condition.
C)  The landscape looks identical to the landscape that existed prior to the crossing of the threshold.
D)  The landscape returns to the conditions that existed prior to the crossing the threshold.E) C) and D)
F) A) and B)

Question 5

Which is the process that works in place to break down rock at Earth's surface through disintegration of rocks into mineral particles or dissolving it into water?

Accepted Answer

A)  Erosion.
B)  Mass movement.
C)  Landmass denudation.
D)  Weathering.E) C) and D)
F) A) and D)

Question 6

When rock is broken down and disintegrated without any chemical alterations,which is the process in operation?

Accepted Answer

A)  Physical weathering.
B)  Chemical weathering.
C)  Hydrolysis.
D)  Carbonation.E) A) and B)
F) None of the above

Question 7

In most areas,which is the upper surface of bedrock that is partially weathered to broken-up rock?

Accepted Answer

A)  Parent rock.
B)  Bedrock.
C)  Sediment.
D)  Regolith.E) A) and B)
F) None of the above

Question 8

The angle of repose represents a balance between gravity and friction and shear.

Accepted Answer

A) True 
 B)False

Question 9

Which are the consolidated or unconsolidated materials from which soils develop?

Accepted Answer

A)  Bedrock.
B)  Regolith.
C)  Parent material.
D)  Outcrop.E) A) and B)
F) A) and C)

Question 10

Describe the forces acting on a slope,and also the various physical aspects of a slope,such as waxing slope and debris slope.

Accepted Answer

Slopes are inclined surfaces that form t...

Question 11

Which of the following is a type of chemical weathering process?

Accepted Answer

A)  Exfoliation.
B)  Hydrolysis.
C)  Salt crystal growth.
D)  Frost wedging.E) A) and B)
F) A) and C)

Question 12

Which is a steep scarp or cliff whose presence indicates an outcrop of resistant rock?

Accepted Answer

A)  Waning slope.
B)  Waxing slope.
C)  Debris slope.
D)  Free face.E) A) and B)
F) None of the above

Question 13

Which is likely the weathering process responsible for breaking this marble?

Accepted Answer

A)  Exfoliation.
B)  Carbonation.
C)  Frost wedging.
D)  Salt-crystal growth.E) C) and D)
F) B) and D)

Question 14

The dynamic equilibrium model considers the balance between endogenic and exogenic processes.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A)  Oxygen.
B)  Nitrogen.
C)  Water.
D)  Carbon dioxide.E) None of the above
F) A) and B)

Question 16

All processes that cause reduction and rearrangement of landforms are included in which term?

Accepted Answer

A)  Mass movement.
B)  Erosion.
C)  Weathering.
D)  Denudation.E) C) and D)
F) B) and C)

Question 17

When rainwater attacks formations of limestone,the minerals dissolve and wash away with the mildly acid rainwater.Of which is this an example?

Accepted Answer

A)  Oxidation.
B)  Crystallization.
C)  Frost action.
D)  Carbonation.E) None of the above
F) A) and B)

Question 18

Stalactites and stalagmites are examples of dripstones.

Accepted Answer

A) True 
 B)False

Question 19

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

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) and C)
F) C) and D)

Question 20

Frost wedging is the result of repeated freeze/thaw cycles.

Accepted Answer

A) True 
 B)False

Exam 14: Weathering, karst Landscapes, and Mass Movement

Frost wedging is the result of repeated freeze/thaw cycles.

Correct AnswerverifiedShow Answer

After a threshold is crossed,which best describes the landscape?

Correct AnswerverifiedShow Answer

Which is likely the weathering process responsible for breaking this marble?

Correct AnswerverifiedShow Answer

Which are extensive landscapes formed by the dissolution of limestone and other carbonate rock and characterized by pitted,bumpy surface topography,poor surface drainage,and well developed solutions channels?

Correct AnswerverifiedShow Answer

All processes that cause reduction and rearrangement of landforms are included in which term?

Correct AnswerverifiedShow Answer

Describe the forces acting on a slope,and also the various physical aspects of a slope,such as waxing slope and debris slope.

Correct AnswerverifiedSlopes are inclined surfaces that form t...View AnswerShow Answer

Which is the process that works in place to break down rock at Earth's surface through disintegration of rocks into mineral particles or dissolving it into water?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The angle of repose represents a balance between gravity and friction and shear.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which are the consolidated or unconsolidated materials from which soils develop?

Correct AnswerverifiedShow Answer

In most areas,which is the upper surface of bedrock that is partially weathered to broken-up rock?

Correct AnswerverifiedShow Answer

Stalactites and stalagmites are examples of dripstones.

Correct AnswerverifiedShow Answer

When rainwater attacks formations of limestone,the minerals dissolve and wash away with the mildly acid rainwater.Of which is this an example?

Correct AnswerverifiedShow Answer

Which of the following is a type of chemical weathering process?

Correct AnswerverifiedShow Answer

The angle of repose typically ranges from 15° to 30° from horizontal.

Correct AnswerverifiedShow Answer

Chemical weathering is greatest under which conditions?

Correct AnswerverifiedShow Answer

The dynamic equilibrium model considers the balance between endogenic and exogenic processes.

Correct AnswerverifiedShow Answer

Which is a steep scarp or cliff whose presence indicates an outcrop of resistant rock?

Correct AnswerverifiedShow Answer

When rock is broken down and disintegrated without any chemical alterations,which is the process in operation?

Correct AnswerverifiedShow Answer

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Slopes are inclined surfaces that form t...
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