Glaciers

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Across
  1. 4. a mountain lake or pool, formed in a corrie
  2. 7. ice melts and freezes eroding the rock
  3. 10. the gradual destruction of something
  4. 11. a place where water flows over a vertical drop
  5. 13. river of ice
Down
  1. 1. melted glacial ice
  2. 2. the process of ice pulling out rocks
  3. 3. a valley formed by a glacier
  4. 5. the process of scraping or wearing something away
  5. 6. frozen water
  6. 8. a valley which is cut across by a deeper valley or a cliff
  7. 9. a sharp mountain ridge
  8. 12. the starting point of a glacier