Question 1

Underground bacteria speed up weathering by __________ in the soil.

Accepted Answer

A) decreasing carbon dioxide 
B) absorbing water 
C) releasing carbon dioxide by respiration 
D) producing hydrochloric acid 
A) decreasing carbon dioxide 
B) absorbing water 
C) releasing carbon dioxide by respiration 
D) producing hydrochloric acid

Question 2

Which of the following weathering processes is the result of water freezing?

Accepted Answer

A) hydration 
B) frost wedging 
C) oxidation 
D) hydrolysis 
A) hydration 
B) frost wedging 
C) oxidation 
D) hydrolysis

Question 3

A hill consisting of loose,dry sand that slopes at the angle of repose and has no vegetation

Accepted Answer

A) is stable unless oversteepened by excavation. 
B) may flow if it becomes saturated with water. 
C) will be more stable if vegetation takes root on the hill. 
D) is stable unless oversteepened by excavation,may flow if it becomes saturated with water,and will be more stable if vegetation takes root on the hill. 
A) is stable unless oversteepened by excavation. 
B) may flow if it becomes saturated with water. 
C) will be more stable if vegetation takes root on the hill. 
D) is stable unless oversteepened by excavation,may flow if it becomes saturated with water,and will be more stable if vegetation takes root on the hill.

Question 4

In order for loose surface material (often called regolith)to be considered a soil it must

Accepted Answer

A) contain clays. 
B) be capable of supporting rooted planets. 
C) have a leached zone. 
D) be porous. 
A) contain clays. 
B) be capable of supporting rooted planets. 
C) have a leached zone. 
D) be porous.

Question 5

What type of mass movement is a lahar?

Accepted Answer

A) debris avalanche 
B) earthflow 
C) mudflow 
D) solifluction 
A) debris avalanche 
B) earthflow 
C) mudflow 
D) solifluction

Question 6

Which of the following statements regarding carbon dioxide is true?

Accepted Answer

A) As carbon dioxide in the atmosphere increases,chemical weathering decreases. 
B) An increase in carbon dioxide in the atmosphere cools the climate. 
C) Chemical weathering of feldspar is not related to atmospheric carbon dioxide. 
D) Chemical weathering reduces the amount of carbon dioxide in the atmosphere. 
A) As carbon dioxide in the atmosphere increases,chemical weathering decreases. 
B) An increase in carbon dioxide in the atmosphere cools the climate. 
C) Chemical weathering of feldspar is not related to atmospheric carbon dioxide. 
D) Chemical weathering reduces the amount of carbon dioxide in the atmosphere.

Question 7

Which of the following rocks would be most affected by chemical weathering?

Accepted Answer

A) granite 
B) shale 
C) basalt 
D) marble 
A) granite 
B) shale 
C) basalt 
D) marble

Question 8

What determines the characteristics of a soil?

Accepted Answer

A) climate 
B) type of bedrock 
C) length of time the soil has had to develop 
D) all of the above 
A) climate 
B) type of bedrock 
C) length of time the soil has had to develop 
D) all of the above

Question 9

Chemical stability is

Accepted Answer

A) a measure of a substance's tendency to remain chemically inert. 
B) similar to hardness. 
C) unaffected by environment. 
D) a measure of a molecule's tendency to react. 
A) a measure of a substance's tendency to remain chemically inert. 
B) similar to hardness. 
C) unaffected by environment. 
D) a measure of a molecule's tendency to react.

Question 10

Which of the following slopes is least stable?

Accepted Answer

A) a slope where the sedimentary layers dip parallel to the slope 
B) a slope where the sedimentary layers are horizontal 
C) a slope where the sedimentary layers dip perpendicular to the slope 
D) All of these slopes have the same stability. 
A) a slope where the sedimentary layers dip parallel to the slope 
B) a slope where the sedimentary layers are horizontal 
C) a slope where the sedimentary layers dip perpendicular to the slope 
D) All of these slopes have the same stability.

Question 11

The angle of repose does not depend on which of the following?

Accepted Answer

A) particle composition 
B) particle shape 
C) particle size 
D) water content 
A) particle composition 
B) particle shape 
C) particle size 
D) water content

Question 12

As a rock breaks into smaller pieces,the ratio of surface area to volume

Accepted Answer

A) decreases. 
B) increases. 
C) remains the same. 
D) can either increase or decrease depending on the size of the pieces. 
A) decreases. 
B) increases. 
C) remains the same. 
D) can either increase or decrease depending on the size of the pieces.

Question 13

Which of the following types of mass movements could a person easily out-walk?

Accepted Answer

A) debris avalanche 
B) earth flow 
C) slump 
D) soil creep 
A) debris avalanche 
B) earth flow 
C) slump 
D) soil creep

Question 14

Which of the following statements about weathering is false?

Accepted Answer

A) Rocks of different compositions weather at different rates. 
B) Heat and heavy rainfall increase the rate of chemical weathering. 
C) The presence of soil slows down weathering of the underlying bedrock. 
D) The longer a rock is exposed at the surface,the more weathered it becomes. 
A) Rocks of different compositions weather at different rates. 
B) Heat and heavy rainfall increase the rate of chemical weathering. 
C) The presence of soil slows down weathering of the underlying bedrock. 
D) The longer a rock is exposed at the surface,the more weathered it becomes.

Question 15

Stripping soil of vegetation by burning or deforestation will _____ the likelihood of mass movements.

Accepted Answer

A) greatly decrease 
B) decrease 
C) not affect 
D) increase 
A) greatly decrease 
B) decrease 
C) not affect 
D) increase

Question 16

What triggered the mass movement?

Accepted Answer

A) translations 
B) transmutations 
C) transformations 
D) translocations 
A) translations 
B) transmutations 
C) transformations 
D) translocations

Question 17

The property by which a paper clip can float on the surface of a liquid is called

Accepted Answer

A) cohesion. 
B) liquefaction. 
C) solifluction. 
D) surface tension. 
A) cohesion. 
B) liquefaction. 
C) solifluction. 
D) surface tension.

Question 18

Soil thickness and organic content influence the weathering rates of rocks.Given the same rock type,which of the following conditions would produce the fastest weathering?

Accepted Answer

A) sparse soil and little organic content 
B) moderate soil thickness and moderate organic content 
C) moderate soil thickness and high organic content 
D) thick soil and high organic content 
A) sparse soil and little organic content 
B) moderate soil thickness and moderate organic content 
C) moderate soil thickness and high organic content 
D) thick soil and high organic content

Question 19

Which of the following processes only occurs in permafrost regions?

Accepted Answer

A) landsliding 
B) liquefaction 
C) soil creep 
D) solifluction 
A) landsliding 
B) liquefaction 
C) soil creep 
D) solifluction

Question 20

Which of the following acids is not an abundant acid in acid rain?

Accepted Answer

A) carbonic acid 
B) hydrochloric acid 
C) nitric acid 
D) sulfuric acid 
A) carbonic acid 
B) hydrochloric acid 
C) nitric acid 
D) sulfuric acid

Exam 16: Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

Underground bacteria speed up weathering by __________ in the soil.

Which of the following weathering processes is the result of water freezing?

A hill consisting of loose,dry sand that slopes at the angle of repose and has no vegetation

In order for loose surface material (often called regolith)to be considered a soil it must

What type of mass movement is a lahar?

Which of the following statements regarding carbon dioxide is true?

Which of the following rocks would be most affected by chemical weathering?

What determines the characteristics of a soil?

Chemical stability is

Which of the following slopes is least stable?

The angle of repose does not depend on which of the following?

As a rock breaks into smaller pieces,the ratio of surface area to volume

Which of the following types of mass movements could a person easily out-walk?

Which of the following statements about weathering is false?

Stripping soil of vegetation by burning or deforestation will _____ the likelihood of mass movements.

What triggered the mass movement?

The property by which a paper clip can float on the surface of a liquid is called

Soil thickness and organic content influence the weathering rates of rocks.Given the same rock type,which of the following conditions would produce the fastest weathering?

Which of the following processes only occurs in permafrost regions?

Which of the following acids is not an abundant acid in acid rain?

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

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