Question 1

Valleys carved by glaciers tend to be shaped like the letter ____________,whereas valleys carved by water tend to shaped like the letter ____________.

Accepted Answer

A) V;U 
B) V;C 
C) U;V 
D) V;I 
A) V;U 
B) V;C 
C) U;V 
D) V;I

Question 2

By increasing the albedo of Earth,global ice sheets produce conditions that are ____________ to their further advance,thus providing an example of ____________ feedback.

Accepted Answer

A) detrimental;positive 
B) detrimental;negative 
C) favorable;positive 
D) favorable;negative 
A) detrimental;positive 
B) detrimental;negative 
C) favorable;positive 
D) favorable;negative

Question 3

At the present,glaciers cover about ____________ of the surface of the continents.

Accepted Answer

A) 1% 
B) 5% 
C) 10% 
D) 20% 
A) 1% 
B) 5% 
C) 10% 
D) 20%

Question 4

An intermediate product in the transformation of snow to glacial ice is ____________.

Accepted Answer

A) firn 
B) sublimation 
C) ablation 
D) terminus 
A) firn 
B) sublimation 
C) ablation 
D) terminus

Question 5

A remnant ridge separating two bowl-shaped depressions formed by a mountain glacier is termed a(n)____________.

Accepted Answer

A) arête 
B) cirque 
C) horn 
D) tarn 
A) arête 
B) cirque 
C) horn 
D) tarn

Question 6

Because glacial advance is driven by gravity,it is impossible for glaciers to advance over perfectly flat terrain.

Accepted Answer

A) True 
 B)False

Question 7

A bowl-shaped depression formed by a mountain glacier is termed a(n)____________.

Accepted Answer

A) arête 
B) cirque 
C) horn 
D) tarn 
A) arête 
B) cirque 
C) horn 
D) tarn

Question 8

Areas on the southern margins of the continental glaciers of the northern hemisphere were much ____________ during Plio-Pleistocene glaciations than they are today,as suggested by evidence of large ____________ during this time.

Accepted Answer

A) warmer;tropical rainforests 
B) wetter;tropical rainforests 
C) drier;deserts 
D) wetter;pluvial lakes 
A) warmer;tropical rainforests 
B) wetter;tropical rainforests 
C) drier;deserts 
D) wetter;pluvial lakes

Question 9

Today,continental glaciers are limited to Antarctica and ____________.

Accepted Answer

A) Alaska 
B) Greenland 
C) Canada 
D) Siberia 
A) Alaska 
B) Greenland 
C) Canada 
D) Siberia

Question 10

Walking across an Antarctic ice sheet during winter would not be very treacherous,because ice is not slippery at temperatures well below freezing.

Accepted Answer

A) True 
 B)False

Valleys carved by glaciers tend to be shaped like the letter ,whereas valleys carved by water tend to shaped like the letter .

By increasing the albedo of Earth,global ice sheets produce conditions that are to their further advance,thus providing an example of feedback.

At the present,glaciers cover about ____________ of the surface of the continents.

An intermediate product in the transformation of snow to glacial ice is ____________.

A remnant ridge separating two bowl-shaped depressions formed by a mountain glacier is termed a(n)____________.

Because glacial advance is driven by gravity,it is impossible for glaciers to advance over perfectly flat terrain.

A bowl-shaped depression formed by a mountain glacier is termed a(n)____________.

Areas on the southern margins of the continental glaciers of the northern hemisphere were much during Plio-Pleistocene glaciations than they are today,as suggested by evidence of large during this time.

Today,continental glaciers are limited to Antarctica and ____________.

Walking across an Antarctic ice sheet during winter would not be very treacherous,because ice is not slippery at temperatures well below freezing.

Cosmology and the Birth of Earth

Journey to the Center of the Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rock

Pages of Earths Past: Sedimentary Rocks

Metamorphism: A Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Cracks, crags, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: The Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: Earths Atmosphere and Climate

Dry Settings: the Geology of Deserts

Global Change in the Earth System

Filters

Exam 22: Amazing Ice: Glaciers and Ice Ages

Valleys carved by glaciers tend to be shaped like the letter ____________,whereas valleys carved by water tend to shaped like the letter ____________.

By increasing the albedo of Earth,global ice sheets produce conditions that are ____________ to their further advance,thus providing an example of ____________ feedback.

At the present,glaciers cover about ____________ of the surface of the continents.

An intermediate product in the transformation of snow to glacial ice is ____________.

A remnant ridge separating two bowl-shaped depressions formed by a mountain glacier is termed a(n)____________.

Because glacial advance is driven by gravity,it is impossible for glaciers to advance over perfectly flat terrain.

A bowl-shaped depression formed by a mountain glacier is termed a(n)____________.

Areas on the southern margins of the continental glaciers of the northern hemisphere were much ____________ during Plio-Pleistocene glaciations than they are today,as suggested by evidence of large ____________ during this time.

Today,continental glaciers are limited to Antarctica and ____________.

Walking across an Antarctic ice sheet during winter would not be very treacherous,because ice is not slippery at temperatures well below freezing.

Cosmology and the Birth of Earth

Journey to the Center of the Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rock

Pages of Earths Past: Sedimentary Rocks

Metamorphism: A Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Cracks, crags, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: The Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: Earths Atmosphere and Climate

Dry Settings: the Geology of Deserts

Global Change in the Earth System

Filters

Valleys carved by glaciers tend to be shaped like the letter ,whereas valleys carved by water tend to shaped like the letter .

By increasing the albedo of Earth,global ice sheets produce conditions that are to their further advance,thus providing an example of feedback.

Areas on the southern margins of the continental glaciers of the northern hemisphere were much during Plio-Pleistocene glaciations than they are today,as suggested by evidence of large during this time.