Question 1

Which of the following statements is incorrect?

Accepted Answer

A)  Periglacial regions occupy about 30% of the Earth's land surface. 
B)  Periglacial environments occur at high latitudes and high elevations. 
C)  There are no permafrosts regions in Alaska due to its maritime subarctic climate. 
D)  Permafrost develops in areas where soil, sediment, or rock temperatures remain below 0°C (32°F) for at least two years. 
A)  Periglacial regions occupy about 30% of the Earth's land surface. 
B)  Periglacial environments occur at high latitudes and high elevations. 
C)  There are no permafrosts regions in Alaska due to its maritime subarctic climate. 
D)  Permafrost develops in areas where soil, sediment, or rock temperatures remain below 0°C (32°F) for at least two years.

Question 2

Discuss the process of glacial erosion.

Accepted Answer

A flowing glacier mechanically picks up

Question 3

Glacial erosion and deposition produce landforms similar to fluvial processes and are, therefore, difficult to ascertain their origins.

Accepted Answer

A) True 
 B)False

Question 4

The Great Lakes of the United States resulted from repeated glacial advances and retreats which enlarged and deepened stream valleys to form the basins of the future lakes.

Accepted Answer

A) True 
 B)False

Question 5

During a glacier surge, a glacier may move at a speed of

Accepted Answer

A)  1 cm per day. 
B)  1 meter per hour. 
C)  tens of meters per day. 
D)  a few kilometers per hour. 
A)  1 cm per day. 
B)  1 meter per hour. 
C)  tens of meters per day. 
D)  a few kilometers per hour.

Question 6

During the height of the Pleistocene ice age, the glaciers extended as far south as the Ohio and Missouri river systems.

Accepted Answer

A) True 
 B)False

Question 7

The expansion and contraction of frost action results in the movement of soil particles, stones, and small boulders into distinct shapes know as

Accepted Answer

A)  gelifluction. 
B)  patterned ground. 
C)  taliks. 
D)  solifluction. 
A)  gelifluction. 
B)  patterned ground. 
C)  taliks. 
D)  solifluction.

Question 8

Approximately, 81% of Greenland and 90% of Antarctica are covered with ice sheets.

Accepted Answer

A) True 
 B)False

Question 9

If two glaciers with lengthy ridges of till along each side of the glacier merge, a ________ moraine may form.

Accepted Answer

A)  ground 
B)  terminal 
C)  medial 
D)  lateral 
A)  ground 
B)  terminal 
C)  medial 
D)  lateral

Question 10

When several cirque glaciers gauge an individual mountain summit from all sides, a pyramidal peak known as a ________ results.

Accepted Answer

A)  col 
B)  horn 
C)  hanging valley 
D)  arêtes 
A)  col 
B)  horn 
C)  hanging valley 
D)  arêtes

Question 11

Melting at the surface, internally, and the base, deflation, calving, and sublimation are all examples of ablation.

Accepted Answer

A) True 
 B)False

Question 12

Thawing of permafrost could create a positive feedback loop as vast amounts of carbon are released into the atmosphere, further amplifying warming.

Accepted Answer

A) True 
 B)False

Question 13

Partially compacted snow that is an intermediate between snow and ice is called a(n)

Accepted Answer

A)  firn. 
B)  glacier. 
C)  moraine. 
D)  snowline. 
A)  firn. 
B)  glacier. 
C)  moraine. 
D)  snowline.

Question 14

The term periglacial refers to

Accepted Answer

A)  areas that are on top of a glacier. 
B)  regions that are too warm for ground ice. 
C)  cold climate processes along the margins of glaciers. 
D)  process and effects that existed during the last ice age. 
A)  areas that are on top of a glacier. 
B)  regions that are too warm for ground ice. 
C)  cold climate processes along the margins of glaciers. 
D)  process and effects that existed during the last ice age.

Question 15

The present of till indicates

Accepted Answer

A)  deposition by water. 
B)  deposition by a glacier. 
C)  deposition by wind. 
D)  deposition of unknown origin (wind, water, or glacial). 
A)  deposition by water. 
B)  deposition by a glacier. 
C)  deposition by wind. 
D)  deposition of unknown origin (wind, water, or glacial).

Question 16

Firn has a higher density than glacial ice.

Accepted Answer

A) True 
 B)False

Question 17

Materials transported directly by glaciers tend to be unsorted when deposited. However, those carried by meltwater are sorted.

Accepted Answer

A) True 
 B)False

Question 18

A long, narrow, sinuous ridge of stratified sand and gravel located in a till plain is known as a(n)

Accepted Answer

A)  drumlin. 
B)  kame. 
C)  esker. 
D)  kettle. 
A)  drumlin. 
B)  kame. 
C)  esker. 
D)  kettle.

Question 19

Crevasses usually form as a result of

Accepted Answer

A)  regelation. 
B)  ablation. 
C)  deposition. 
D)  friction, tension, and compression. 
A)  regelation. 
B)  ablation. 
C)  deposition. 
D)  friction, tension, and compression.

Question 20

Which of the following is correct regarding the snowline?

Accepted Answer

A)  It increases in elevation with increasing latitude. 
B)  It decreases in elevation with increasing latitude. 
C)  It occurs at approximately the same elevation at all latitudes because the environmental lapse rate is approximately the same at all latitudes. 
A)  It increases in elevation with increasing latitude. 
B)  It decreases in elevation with increasing latitude. 
C)  It occurs at approximately the same elevation at all latitudes because the environmental lapse rate is approximately the same at all latitudes.

Which of the following statements is incorrect?

Discuss the process of glacial erosion.

Glacial erosion and deposition produce landforms similar to fluvial processes and are, therefore, difficult to ascertain their origins.

The Great Lakes of the United States resulted from repeated glacial advances and retreats which enlarged and deepened stream valleys to form the basins of the future lakes.

During a glacier surge, a glacier may move at a speed of

During the height of the Pleistocene ice age, the glaciers extended as far south as the Ohio and Missouri river systems.

The expansion and contraction of frost action results in the movement of soil particles, stones, and small boulders into distinct shapes know as

Approximately, 81% of Greenland and 90% of Antarctica are covered with ice sheets.

If two glaciers with lengthy ridges of till along each side of the glacier merge, a ________ moraine may form.

When several cirque glaciers gauge an individual mountain summit from all sides, a pyramidal peak known as a ________ results.

Melting at the surface, internally, and the base, deflation, calving, and sublimation are all examples of ablation.

Thawing of permafrost could create a positive feedback loop as vast amounts of carbon are released into the atmosphere, further amplifying warming.

Partially compacted snow that is an intermediate between snow and ice is called a(n)

The term periglacial refers to

The present of till indicates

Firn has a higher density than glacial ice.

Materials transported directly by glaciers tend to be unsorted when deposited. However, those carried by meltwater are sorted.

A long, narrow, sinuous ridge of stratified sand and gravel located in a till plain is known as a(n)

Crevasses usually form as a result of

Which of the following is correct regarding the snowline?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

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Exam 17: Glacial and Periglacial Processes and Landforms

Which of the following statements is incorrect?

Discuss the process of glacial erosion.

Glacial erosion and deposition produce landforms similar to fluvial processes and are, therefore, difficult to ascertain their origins.

The Great Lakes of the United States resulted from repeated glacial advances and retreats which enlarged and deepened stream valleys to form the basins of the future lakes.

During a glacier surge, a glacier may move at a speed of

During the height of the Pleistocene ice age, the glaciers extended as far south as the Ohio and Missouri river systems.

The expansion and contraction of frost action results in the movement of soil particles, stones, and small boulders into distinct shapes know as

Approximately, 81% of Greenland and 90% of Antarctica are covered with ice sheets.

If two glaciers with lengthy ridges of till along each side of the glacier merge, a ________ moraine may form.

When several cirque glaciers gauge an individual mountain summit from all sides, a pyramidal peak known as a ________ results.

Melting at the surface, internally, and the base, deflation, calving, and sublimation are all examples of ablation.

Thawing of permafrost could create a positive feedback loop as vast amounts of carbon are released into the atmosphere, further amplifying warming.

Partially compacted snow that is an intermediate between snow and ice is called a(n)

The term periglacial refers to

The present of till indicates

Firn has a higher density than glacial ice.

Materials transported directly by glaciers tend to be unsorted when deposited. However, those carried by meltwater are sorted.

A long, narrow, sinuous ridge of stratified sand and gravel located in a till plain is known as a(n)

Crevasses usually form as a result of

Which of the following is correct regarding the snowline?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters