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Understanding Glacier Movements Quiz

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1. What are the two main types of glacier movement?

2. What is 'creep' in relation to glacial movement?

3. What causes the formation of crevasses in a glacier?

4. In the case of a 'surging' glacier, what happens?

5. What is 'plucking' in glacial movements?

6. What factor greatly aids the process of 'basal slip' in glacial movement?

7. What is the difference between an 'alpine' glacier and an 'ice sheet'?

8. What is the Ice Age in Earth's geological history?

9. What is glacier 'calving'?

10. Why does the bottom layer of a glacier often move slower than the top layers?