Exam 17: Glacial and Periglacial Processes and Landforms

Why,specifically,is glacial ice analogous to a metamorphic rock?

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

A winding hill of sorted sand and gravel deposits is known as a(n)________ and is deposited by a(n)________ glacier.

Alpine glaciers include

Which of the following would be found in an alpine glacial valley?

Antarctica is colder than the Arctic because

Drumlins are formed in ________,and their tapered ends point ________.

Write an essay on the important aspects of periglacial landscapes.

Because the upper regions of a glacier flow ________ than the base of the glacier,the upper part of the glacier tends to be ________.

Continuous ice sheets,ice caps,and ice fields are drained on their periphery by

Which of the following is true of valley glaciers?

Glacial ice is

Till plains refer to

During the Pleistocene up to 11% of Earth was covered with ice.

Which of the following represents a form of glacial erosion?

A glacier that is confined in a bowl-shaped recess is called a

The presence of stratified,or sorted,glacial sediment indicates that

Glacial ice forms more quickly in polar environments than in midlatitude,alpine environments.

Sorted glacial drift characteristic of stream-deposited material is called

The thickness of the active layer increases toward the poles.