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Our Changing Earth — Social Studies STD 7 — Question

CBSE BoardEnglish MediumSTD 7Social StudiesOur Changing Earth3 Marks
Question
Describe the work of ice.
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Answer

Work of Ice:
  • Glaciers are "rivers" of ice.
  • They too erode the landscape by bulldozing soil and stones to expose the solid rock below.
  • Glaciers carve out deep hollows.
  • As the ice melts they get filled up with water and become beautiful lakes in the mountains.
  • The material carried by the glacier like big and small rocks, sand, silt gets deposited.
  • These deport from glacial moraines.

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