Question 1

Large areas of frozen ground can develop a heaved-up,circular,ice-cored mound called

Accepted Answer

A) an ice wedge. 
B) ground ice. 
C) a pingo. 
D) a talik. 
E) a nunatak. 
A) an ice wedge. 
B) ground ice. 
C) a pingo. 
D) a talik. 
E) a nunatak.

Question 2

The CO₂ levels in the atmosphere are now higher than at any time in the past 440 000 years.

Accepted Answer

A) True 
 B)False

Question 3

Marine Isotope Stage 11 is important in understanding climate change because

Accepted Answer

A) CO₂ levels were much higher to todays,but temperatures were much lower. 
B) CO₂ levels and Earth's orbital alignment were similar to today's. 
C) Earth's orbital alignment was opposite to today's. 
D) there is a written account of climate for the period. 
E) CO₂ levels were much lower to todays,but temperatures were much higher. 
A) CO₂ levels were much higher to todays,but temperatures were much lower. 
B) CO₂ levels and Earth's orbital alignment were similar to today's. 
C) Earth's orbital alignment was opposite to today's. 
D) there is a written account of climate for the period. 
E) CO₂ levels were much lower to todays,but temperatures were much higher.

Question 4

Drumlins look like ________ and they occur ________.

Accepted Answer

A) mesas in isolation 
B) mesas in swarms 
C) inverted spoons in isolation 
D) inverted spoons in swarms 
E) roches moutonnes in isolation   
A) mesas in isolation 
B) mesas in swarms 
C) inverted spoons in isolation 
D) inverted spoons in swarms 
E) roches moutonnes in isolation

Question 5

Mountain summits are often characterized by a surface composed of blocks of loose rock that is known as a ________ and which forms by ________.

Accepted Answer

A) nunatak ice plucking 
B) nunatak frost action 
C) felsenmeer ice plucking 
D) felsenmeer frost action 
E) roche moutonn   .frost action 
A) nunatak ice plucking 
B) nunatak frost action 
C) felsenmeer ice plucking 
D) felsenmeer frost action 
E) roche moutonn   .frost action

Question 6

Which of the following is true of the Pleistocene?

Accepted Answer

A) Sea levels were 100 m higher than today. 
B) At its height almost three quarters of Earth was covered with ice. 
C) The onset of a glacial period lasted 900 000 years,while the deglaciation took 10 000 years. 
D) It began 1.65 mya and had at least 18 glacial/interglacial cycles. 
E) 30 m of ice covered Hudson Bay. 
A) Sea levels were 100 m higher than today. 
B) At its height almost three quarters of Earth was covered with ice. 
C) The onset of a glacial period lasted 900 000 years,while the deglaciation took 10 000 years. 
D) It began 1.65 mya and had at least 18 glacial/interglacial cycles. 
E) 30 m of ice covered Hudson Bay.

Question 7

Crevasses usually form as a result of

Accepted Answer

A) regelation. 
B) ablation. 
C) deposition. 
D) tensional forces. 
E) compressional forces. 
A) regelation. 
B) ablation. 
C) deposition. 
D) tensional forces. 
E) compressional forces.

Question 8

Viking colonies in Iceland apparently were deserted because of a

Accepted Answer

A) rise in sea level brought about by a minor period of global warming in fourteenth century. 
B) drop in temperature that occurred during the "Little Ice Age" that resulted in a decline in food production. 
C) rapid advance of glaciers. 
D) rapid increase in temperature that brought infestations of vermin and disease. 
E) rapid tectonic uplift and volcanic activity. 
A) rise in sea level brought about by a minor period of global warming in fourteenth century. 
B) drop in temperature that occurred during the "Little Ice Age" that resulted in a decline in food production. 
C) rapid advance of glaciers. 
D) rapid increase in temperature that brought infestations of vermin and disease. 
E) rapid tectonic uplift and volcanic activity.

Question 9

Which of the following are erosional landforms created by alpine glaciation?

Accepted Answer

A) drumlins 
B) eskers 
C) till plains 
D) cols and horns 
E) deranged drainage 
A) drumlins 
B) eskers 
C) till plains 
D) cols and horns 
E) deranged drainage

Question 10

Discuss the location and formation of paleolakes.

Accepted Answer

Paleolakes are ancient bodies of water t

Question 11

Which of the following is an adaptation to living in periglacial regions?

Accepted Answer

A) buildings placed directly on frozen,hard surfaces 
B) water and sewage lines in elevated trays above the ground 
C) heated oil pipelines buried in the frozen ground 
D) careful maintenance of rail tracks and roadbeds in the winter. 
E) solar panels for power in cold winter months. 
A) buildings placed directly on frozen,hard surfaces 
B) water and sewage lines in elevated trays above the ground 
C) heated oil pipelines buried in the frozen ground 
D) careful maintenance of rail tracks and roadbeds in the winter. 
E) solar panels for power in cold winter months.

Question 12

Which of the following is considered to be a possible mechanism for glacier surges?

Accepted Answer

A) basal slip and fracturing. 
B) slight floating of the glacier and basal slip 
C) fracturing and basal debris load 
D) slight floating of the glacier and basal debris loading. 
E) regelation and basal slip. 
A) basal slip and fracturing. 
B) slight floating of the glacier and basal slip 
C) fracturing and basal debris load 
D) slight floating of the glacier and basal debris loading. 
E) regelation and basal slip.

Question 13

Describe the process by which snow becomes glacial ice.Examine the various processes and products of glacial mass balance,followed by a discussion of glacial movement,including glacial surges.

Accepted Answer

The process by which snow becomes glacia

Question 14

A specific landform produced by the deposition of glacial till is known as

Accepted Answer

A) glacial drift. 
B) outwash. 
C) a moraine. 
D) alluvium. 
E) esker. 
A) glacial drift. 
B) outwash. 
C) a moraine. 
D) alluvium. 
E) esker.

Question 15

The Holocene epoch-in which we live-is probably an interglacial within an ice age period.

Accepted Answer

A) True 
 B)False

Question 16

Patterned ground develops in response to

Accepted Answer

A) abrasion. 
B) frost action. 
C) solifluction. 
D) regelation. 
E) sublimation. 
A) abrasion. 
B) frost action. 
C) solifluction. 
D) regelation. 
E) sublimation.

Question 17

The presence of till indicates

Accepted Answer

A) direct deposition by a glacier. 
B) deposition by wind. 
C) deposition by water. 
A) direct deposition by a glacier. 
B) deposition by wind. 
C) deposition by water.

Question 18

Basal slip is facilitated by

Accepted Answer

A) regelation. ,the presence of water and saturated sediments. 
B) presence of melt water,debris incorporated in the ice,and frozen sediments beneath. 
C) saturated sediments,debris incorporated in the ice,and rebound pressure from the bed. 
D) rebound pressure from the bed,regelation,and water. 
E) water,rebound pressure from the bed,and geothermal heat. 
A) regelation. ,the presence of water and saturated sediments. 
B) presence of melt water,debris incorporated in the ice,and frozen sediments beneath. 
C) saturated sediments,debris incorporated in the ice,and rebound pressure from the bed. 
D) rebound pressure from the bed,regelation,and water. 
E) water,rebound pressure from the bed,and geothermal heat.

Question 19

Which of the following is true of the Pleistocene ice sheets in North America?

Accepted Answer

A) at their maximum,they extended to the present-day Canada/U.S.border. 
B) they had a minimal effect on the landscape. 
C) they completely disappeared by 7,000 years ago. 
D) the edges of the ice sheets were not even rather,they were characterized by ice lobes that formed curved edges. 
E) all of North America was covered with ice at the Pleistocene maximum. 
A) at their maximum,they extended to the present-day Canada/U.S.border. 
B) they had a minimal effect on the landscape. 
C) they completely disappeared by 7,000 years ago. 
D) the edges of the ice sheets were not even rather,they were characterized by ice lobes that formed curved edges. 
E) all of North America was covered with ice at the Pleistocene maximum.

Question 20

In terms of areal extent,which of the following sequences is in order from  most  to  least  area covered?

Accepted Answer

A) ice sheet,ice field,ice cap 
B) ice field,ice sheet,ice cap 
C) ice sheet,valley glacier,piedmont glacier 
D) ice sheet,ice cap,icefield 
E) piedmont glacier,ice cap,icefield 
A) ice sheet,ice field,ice cap 
B) ice field,ice sheet,ice cap 
C) ice sheet,valley glacier,piedmont glacier 
D) ice sheet,ice cap,icefield 
E) piedmont glacier,ice cap,icefield

Exam 17: Glacial and Periglacial Processes and Landforms

Large areas of frozen ground can develop a heaved-up,circular,ice-cored mound called

The CO₂ levels in the atmosphere are now higher than at any time in the past 440 000 years.

Marine Isotope Stage 11 is important in understanding climate change because

Drumlins look like ________ and they occur ________.

Mountain summits are often characterized by a surface composed of blocks of loose rock that is known as a ________ and which forms by ________.

Which of the following is true of the Pleistocene?

Crevasses usually form as a result of

Viking colonies in Iceland apparently were deserted because of a

Which of the following are erosional landforms created by alpine glaciation?

Discuss the location and formation of paleolakes.

Which of the following is an adaptation to living in periglacial regions?

Which of the following is considered to be a possible mechanism for glacier surges?

Describe the process by which snow becomes glacial ice.Examine the various processes and products of glacial mass balance,followed by a discussion of glacial movement,including glacial surges.

A specific landform produced by the deposition of glacial till is known as

The Holocene epoch-in which we live-is probably an interglacial within an ice age period.

Patterned ground develops in response to

The presence of till indicates

Basal slip is facilitated by

Which of the following is true of the Pleistocene ice sheets in North America?

In terms of areal extent,which of the following sequences is in order from most to least area covered?

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

Weather

Water Resources

Climate Systems and Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

Eolian Processes and Arid Landscapes

The Oceans, Coastal Processes, and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Earth and the Human Denominator

Filters

Drumlins look like and they occur .

Mountain summits are often characterized by a surface composed of blocks of loose rock that is known as a and which forms by .