Question 1

After a threshold is crossed,the landscape

Accepted Answer

A) remains unstable thereafter. 
B) adjusts to a new equilibrium condition. 
C) looks identical to the landscape that existed prior to the crossing of the threshold. 
D) responds to a completely different set of driving forces. 
A) remains unstable thereafter. 
B) adjusts to a new equilibrium condition. 
C) looks identical to the landscape that existed prior to the crossing of the threshold. 
D) responds to a completely different set of driving forces. B

Question 2

Which of the following can lead to hillslope failure?

Accepted Answer

A) making a roadcut in the side of a hill 
B) decreasing the slope angle 
C) excessively watering at the base of a slope 
D) bridge construction activities 
E) sediment movement in a stream 
A) making a roadcut in the side of a hill 
B) decreasing the slope angle 
C) excessively watering at the base of a slope 
D) bridge construction activities 
E) sediment movement in a stream A

Question 3

The dynamic equilibrium model of landscape evolution emphasizes a balance among forces,form,and process-rather than cyclical stages of development.

Accepted Answer

A) True 
 B)False  True

Question 4

Karst topography and limestone regions occur on every continent on Earth.

Accepted Answer

A) True 
 B)False

Question 5

What event occurred in the Madison River Canyon in 1959?

Accepted Answer

A) a massive volcanic eruption 
B) a collapse in a large cavern 
C) intense thunderstorms and flooding 
D) an earthquake triggered a massive landslide 
E) a major river flooded. 
A) a massive volcanic eruption 
B) a collapse in a large cavern 
C) intense thunderstorms and flooding 
D) an earthquake triggered a massive landslide 
E) a major river flooded.

Question 6

Soil thickness will decrease when soil production rates are greater than soil erosion rates.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) parent rock. 
B) bedrock. 
C) sediment. 
D) regolith. 
E) dirt. 
A) parent rock. 
B) bedrock. 
C) sediment. 
D) regolith. 
E) dirt.

Question 8

Which of the following might be expected to occur in either an ash-covered,mountainous,volcanic region following a heavy rain or a snow covered,mountainous,volcanic region following a volcanic eruption?

Accepted Answer

A) lahar 
B) slump 
C) rockslide 
D) creep 
E) debris avalanche 
A) lahar 
B) slump 
C) rockslide 
D) creep 
E) debris avalanche

Question 9

Because the climate of a region slowly changes and tectonic adjustments slowly occur,the landscape

Accepted Answer

A) is constantly at a threshold condition. 
B) is episodically adjusting to new conditions that develop. 
C) is usually in a state of dynamic equilibrium. 
D) is in chaos. 
E) continually denudes. 
A) is constantly at a threshold condition. 
B) is episodically adjusting to new conditions that develop. 
C) is usually in a state of dynamic equilibrium. 
D) is in chaos. 
E) continually denudes.

Question 10

Which of the following is true of spheroidal weathering?

Accepted Answer

A) it is a physical weathering process. 
B) it is a type of exfoliation associated with pressure release. 
C) it attacks the corners and edges of rocks. 
D) it results from salt crystal growth. 
E) it occurs when metal in the rock mixes with oxygen to form oxides. 
A) it is a physical weathering process. 
B) it is a type of exfoliation associated with pressure release. 
C) it attacks the corners and edges of rocks. 
D) it results from salt crystal growth. 
E) it occurs when metal in the rock mixes with oxygen to form oxides.

Question 11

If material is to move downslope,it must overcome the force of

Accepted Answer

A) gravity. 
B) the repulsion of particles from each other. 
C) friction and the inertial resistance of the material. 
D) air pressure 
A) gravity. 
B) the repulsion of particles from each other. 
C) friction and the inertial resistance of the material. 
D) air pressure

Question 12

All karst landscapes go through the same stages of development.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following weathering processes does not  involve water?

Accepted Answer

A) hydration 
B) hydrolysis 
C) crystallization 
D) carbonation 
E) pressure-release jointing 
A) hydration 
B) hydrolysis 
C) crystallization 
D) carbonation 
E) pressure-release jointing

Question 14

Dripstone formations in caves develop while the caves are full of groundwater.

Accepted Answer

A) True 
 B)False

Question 15

A landscape in a state of dynamic equilibrium experiences no change.

Accepted Answer

A) True 
 B)False

Question 16

The dramatic domes and arch-shaped features found in granitic mountain masses result from

Accepted Answer

A) solution processes. 
B) frost-wedging. 
C) pressure-release jointing,and sheeting. 
D) spheroidal weathering. 
E) frost action 
A) solution processes. 
B) frost-wedging. 
C) pressure-release jointing,and sheeting. 
D) spheroidal weathering. 
E) frost action

Question 17

Karst topography involves the chemical weathering of granite landscapes.

Accepted Answer

A) True 
 B)False

Question 18

The dynamic equilibrium model refers to

Accepted Answer

A) a balancing act between tectonic uplift and rates of denudation by weathering and erosion in a given landscape. 
B) a theory involving the cyclic or evolutionary development of a landscape. 
C) a sequential development of landforms. 
D) an important concept first stated by William Morris Davis. 
E) a landscape where rocks are balanced in delicate arches. 
A) a balancing act between tectonic uplift and rates of denudation by weathering and erosion in a given landscape. 
B) a theory involving the cyclic or evolutionary development of a landscape. 
C) a sequential development of landforms. 
D) an important concept first stated by William Morris Davis. 
E) a landscape where rocks are balanced in delicate arches.

Question 19

The radio telescope in Arecibo is set in a landscape formed by chemical weathering processes.

Accepted Answer

A) True 
 B)False

Question 20

Uplift of the landscape creates ________ energy which is converted to ________ energy when materials begin to move downslope.

Accepted Answer

A) kinetic potential 
B) potential kinetic 
C) potential chemical 
D) kinetic chemical 
E) chemical potential 
A) kinetic potential 
B) potential kinetic 
C) potential chemical 
D) kinetic chemical 
E) chemical potential

Exam 13: Weathering, Karst Landscapes, and Mass Movement

After a threshold is crossed,the landscape

Which of the following can lead to hillslope failure?

The dynamic equilibrium model of landscape evolution emphasizes a balance among forces,form,and process-rather than cyclical stages of development.

Karst topography and limestone regions occur on every continent on Earth.

What event occurred in the Madison River Canyon in 1959?

Soil thickness will decrease when soil production rates are greater than soil erosion rates.

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

Which of the following might be expected to occur in either an ash-covered,mountainous,volcanic region following a heavy rain or a snow covered,mountainous,volcanic region following a volcanic eruption?

Because the climate of a region slowly changes and tectonic adjustments slowly occur,the landscape

Which of the following is true of spheroidal weathering?

If material is to move downslope,it must overcome the force of

All karst landscapes go through the same stages of development.

Which of the following weathering processes does not involve water?

Dripstone formations in caves develop while the caves are full of groundwater.

A landscape in a state of dynamic equilibrium experiences no change.

The dramatic domes and arch-shaped features found in granitic mountain masses result from

Karst topography involves the chemical weathering of granite landscapes.

The dynamic equilibrium model refers to

The radio telescope in Arecibo is set in a landscape formed by chemical weathering processes.

Uplift of the landscape creates ________ energy which is converted to ________ energy when materials begin to move downslope.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth's Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

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River Systems and Landforms

Eolian Processes and Arid Landscapes

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Uplift of the landscape creates energy which is converted to energy when materials begin to move downslope.