What is glacier and why is glacier known as an open-system

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Reference no: EM133332312

Questions: Read Chapter 17 in the textbook. Give short answers to the following questions.

1. What is glacier? Why is glacier known as an open-system?

2. What is the main difference between alpine glaciers and continental ice sheets?

3. What makes glaciers move from a higher elevation to a lower elevation?

4. Explain how glacial flows modify terrain?

5. What is moraine? Explain the differences between deposits found in lateral, medial and terminal moraines.

6. Worldwide, most alpine or mountain glaciers in the mountains are retreating. What evidences can you present to support this argument?

7. What causes a glacial advance and a glacial retreat?

8. How does climate change contributing to the glacial retreat? What can humans do to reverse glacial retreat trend and loss of frozen freshwater?

Reference no: EM133332312

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