Exam 19: Glacial Modification of Terrain

The zone beyond a glacier's limit and not directly touched by ice is the ________ zone.

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

Unsorted debris from ice sheets, after deposition, is known as ________.

________ is compressed snow which might change into glacial ice.

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

Glacial erosion invariably produces smooth valley slopes.

Subarctic Asia was not heavily glaciated in the Pleistocene because of ________.

During the last Ice Age, sea level was ________.

The last major retreat of the ice took place within the last 11,000 years.

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

At its maximum extent, continental glacial ice in North America extended as far south as ________.

During the Pleistocene, glaciation extended across the North Sea to join Scandinavia and the British Isles.

The most prominent pluvial development of the Pleistocene was the appearance of many ________.

The longest recorded glacial advance in 24 hours was on the order of ________.

The most significant erosive work of glaciers is accomplished by ________.

The main sediment type carried by streams in glacial regions is ________.

The Bering Glacier is in the United States. It is located in the state of ________.

About ________ percent of the world's land ice resides in places other than Greenland and Antarctica.

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

The ________ is the world's largest ice shelf.