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Home arrow Chapter 17 arrow True or False

True or False
Based on the information in the chapter, determine whether each of these statements is true or false.

This activity contains 10 questions.

Question 1
1 Ice covers more than 77 percent of Earth's surface.
   
 
End of Question 1


Question 2
2 A "scooped-out" bowl-shaped depression at the head of an alpine valley is called a cirque.
   
 
End of Question 2


Question 3
3 The snowline is the lowest elevation where snow can survive year-round.
   
 
End of Question 3


Question 4
4 Ice sheets are alpine glaciers that cover most of Greenland and Antarctica.
   
 
End of Question 4


Question 5
5 Ablation is the process of changing snow into glacial ice.
   
 
End of Question 5


Question 6
6 Crevasses are vertical cracks in a glacier.
   
 
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Question 7
7 A relatively rapid movement of a glacier is called a glacier surge.
   
 
End of Question 7


Question 8
8 A drumlin marks the margin of the farthest extent of a glacier.
   
 
End of Question 8


Question 9
9 A kettle is a type of lake formed by glaciers.
   
 
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Question 10
10 Milankovitch hypothesized that variations in the Earth's motions played a role in long-term climate change.
   
 
End of Question 10







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