Unit 3 Sculpting Earth's Topography Lab Practical on Glacier Walks.docx

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Unit 3 Sculpting Earth's Topography: Lab Practical on Glacier Walks (2 points) Question 1 0.5 / 0.5 pts For this question, you will be on a Google Street View tour of the Matterhorn Glacier (Links to an external site.) . This is an aerial view of the Matternhorn glacier (Links to an external site.) area. This 360 view provides you a wintertime skiers perspective (Links to an external site.) For this question, you will examine this panoramic view of the glacier (Links to an external site.) during summer. This summer view allows you to see the glacier cravasses. In the readings and lecture, you learned about glacial crevasses that can be made from different sorts of stresses. First, focus on the glacial crevasses in the middle of the glacier. Then, look up close at the smaller crevasses that are found on the side of the glacier. Do you see how they have different orientations? Please select the best answer that fills in these blanks. The glacial crevasses in the middle of the glacier in this view (Links to an external site.) form from ____________, while those right next to the side result from ___________. . extension; transform Correct! extension; compression compression; extension pulling; pushing The smaller crevasses on the side are made when the glacier is compressing against the rocks. Those in the middle form from extension as the glacier is moving faster in places -- forcing the ice to pull apart.

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