Question 1

In glacially influenced mountain valleys are ________ lakes which are series of shallow lakes which bear a fancied resemblance to beads on a rosary.

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Question 2

Yosemite National Park presents a stunning example of this sort of glacial landform: ________.

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Question 3

The lowering of sea level during the Pleistocene caused the formation of the ________ between Alaska and Russia.

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Question 4

________ is the generic name applied to various geometric patterns that repeatedly appear over large areas in the Arctic.

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Question 5

The ________ Ice Shelf in West Antarctica is the world's largest.

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Question 6

Lake Missoula drained catastrophically and created the ________ in Washington State.

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Question 7

Explain the flow characteristics of a mountain glacier.

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Question 8

A ________ is an irregularly undulating surface of broad, low rises and shallow depressions. It is composed of unsorted glacially deposited materials which can cover the landscape to the extent that the preglacial shape is obliterated.

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Question 9

Draw a diagram showing five landforms resulting from continental glaciation. Explain how each landform is created.

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Question 10

Provide a reason why some scientists believe the Pleistocene is over and a reason why other scientists believe we are now in an interglacial stage. Why hasn't this controversy been solved?

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Question 11

A ________ is a lengthy deposit of glaciofluvial alluvial confined to a valley bottom and found beyond the outwash plain.

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Question 12

Morainal surfaces containing a number of mounds and depressions are called ________ topography.

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Question 13

Describe the similarities and differences between a valley glaciated by a continental ice sheet and one glaciated by a mountain glacier.

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Question 14

A ________ is the sharp-edged pass formed when two cirques remove part of an intervening arete.

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Question 15

________ is a possible cause of the ice advantages during the Pleistocene.

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Question 16

The few ice-free valleys in the interior of Antarctica are called the ________.

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Question 17

The centers of spread for Pleistocene ice were in ________ latitudes.

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Question 18

________ are relatively steep-sided mounds or conical hills of stratified drift made from meltwater deposition in a region of stagnant ice.

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Question 19

The Finger Lakes district of upstate New York is a prime example of the glacial feature called ________.

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Question 20

A ________ is formed when a glacier deepens the main valley while the tributary valley remains unglaciated with its mouth high above the main valley.

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Quiz 19: Glacial Modification of Terrain