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Chapter 19

Multiple Choice Quiz

Multiple Choice Quiz
Our Multiple-Choice Quiz will test your knowledge of the basic concepts and ideas offered in Chapter 19. By successfully reviewing these concepts, you will reinforce your comprehension of these geographic ideas.

This activity contains 20 questions.

	The last Pleistocene glaciers melted about   10,000 years ago. 1,000 years ago. 1,000,000 years ago. 100,000 years ago. 10,000,000 years ago.

	In areas covered by thick Pleistocene ice sheets,   the level of the land below the ice generally did not change. the land was depressed by the weight of the ice, and is still rebounding. the land was depressed by the weight of the ice, but has not yet started to rebound. the land was depressed by the intense cold from the overlying ice. none of the above.

	Which of the following was not an indirect effect of the Pleistocene glaciation?   crustal depression erosion at the Earth's surface deposition of rocks far from the location of their formation pluvial (increased rain) developments sea-level changes

	Which of the following are not characteristics of ice sheets?   They formed in non-mountainous areas of the continents. Ice is thick at the edges of ice sheets and thinner in the middle. Ice sheets have been the most significant agents of glaciation across the land surface. Only two true ice sheets exist on Earth today. Often large ice chunks break off from ice sheets forming icebergs.

	The persistence of glaciers depends on which of the following?   the balance between accumulation and ablation the melting of ice and snow ablation of ice the existence of an equilibrium line accumulation of ice and snow

	The following are true statements concerning glacier movement, except which one?   The three types of glacier movement are lateral, laminar, and basal slip. Glacial ice is always flowing, even if the glacier itself is retreating. Glacial "flow" involves the orderly sliding of ice molecules one over the other. All parts of a glacier move at the same rate. Glaciers usually move quite slowly.

	Glacial "flour" is   finely ground rock from glacial erosion. the fine sands that are produced as meltwater flows over an outwash plain. the rock that falls on top of a valley glacier from surrounding hills. the snow that falls on top of a glacier. none of the above.

	Glacial till   are enormous rock fragments that are quite different from local bedrock. is a landform created by glaciers. is rock debris deposited by glacial meltwater. is rock debris deposited directly by moving or melting ice. is rock material that has been ground very finely by erosion.

	A landform composed of unsorted till with its long axis aligned parallel to the direction of ice movement is a   esker. kame. moraine. kettle. drumlin.

	The landform resulting from the intersection of three or more cirques is a (an)   col. hanging valley. tarn. arete. horn.

	The most recent stage of Pleistocene glaciation in traditional terminology is known as the   Kansan. Illinoian. pre-Nebraskan. Wisconsin. Nebraskan.

	Sorting and stratification would be most prominent for which one of the following?   kame end moraine drumlin outwash plain ground moraine

	The Pleistocene glaciation first began about how many years ago?   10,000 50 million 730,000 90,000 2–3 million

	What is this famous glacial feature from Switzerland called? It forms when two or more of the following intersect.   aretes/cirques horn/cirques headwall/cirques cirque/horns arete/headwall

	The dark stripes running the length of the glacier in this picture (source) are called   end moraines. aretes. medial moraines. terminal moraine. none of the above.

	Glacial striations are generally aligned   perpendicular to ice flow. in the direction of (parallel to) ice flow.

	Which of the following is a product of glacial erosion?   drumlins eskers outwash plain roche moutonnée none of the above

	A till plain forms ______ of a terminal moraine, while an outwash plain forms _____ of a terminal moraine.   behind; ahead ahead; behind

	A glacier that "spills" out of a valley onto a flat area at a mountain front is a(n)   valley glacier. ice sheet. ice field. alpine glacier. piedmont glacier.

	Glacial striations are produced by   abrasion. plucking. melting. chemical weathering.

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