1 .		A glacier __________.
2 .		Which of the following statements is true of valley glaciers?
3 .		Glaciers that cover large land areas are called __________.
4 .		The source of glacial ice is __________.
5 .		The movement of glacial ice involves __________.
6 .		Periods of rapid glacial movement are referred to as __________.
7 .		The __________ is the area of a glacier in which new ice is forming.
8 .		If ablation is equal to accumulation, then __________.
9 .		Which of the following is not a factor controlling the erosive ability of glaciers?
10 .		A steep-sided, pyramid-like peak formed by alpine glacier erosion is a(n) __________.
11 .		Submerged, steep-walled troughs that formerly held glaciers are called __________.
12 .		__________ are large boulders that were deposited by glaciers.
13 .		Sediments deposited by glacial meltwater are referred to as __________.
14 .		The outermost limit of a glaciers advance is marked by the __________.
15 .		Milutin Milankovitch first proposed that variations in Earth's climate may be caused by __________.
16 .		Which of the following is the most recent Ice Age glacial stage in North America?
17 .		Long Island, Martha's Vinyard, and Nantucket each consist of substantial parts of __________.
18 .		The Wisconsin boulder illustrated below is made up of a rock type that does not resemble other rocks in the area. The rock is referred to as a(n) __________.
19 .		Examine the following photograph of a glacial landform composed of stratified drift in southern Wisconsin. What type of glacial feature is this conical structure?
20 .		The snake-like ridge composed largely of sand and gravel shown in this photograph is a(n) __________.
21 .		The bodies of water shown on this photograph of an outwash plain in southern Wisconsin occupy depressions referred to as __________.
22 .		The following portion of a Wisconsin topographic map illustrates a glacial landform called a(n) __________.
23 .		Visit this Glacier Bay National Park site. As recently as how long ago was the bay completly covered by ice?
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