Climbing Mountains

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Across
  1. 5. a way of locating objects by sending out a sound and measuring how long it tkaes to bounce back
  2. 7. a system of printing for the blind that uses raised dots for letters
  3. 8. the ability to make it through suffering and strain
  4. 9. open, deep gorges or gullies usually containing snow or ice
  5. 10. a large mass of snow and ice sliding down a mountain
  6. 12. people who are rejected by society
Down
  1. 1. a rapid back and forth movement
  2. 2. having to do with heredity and variation of living things
  3. 3. the characteristics of a piece of land
  4. 4. film that dramatically shows factual events
  5. 6. deep cracks, especially in glacier ice
  6. 11. metal spikes attached to the bottom of boots to allow firm walking on snow or ice