Cameron's Geo Term Puzzle

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Across
  1. 2. think of a triangle
  2. 4. flat landmass with one steep side
  3. 8. lava mountain
  4. 10. think of Iceland
  5. 11. can be found on the coasts of Greenland
  6. 12. a dense growth of trees
  7. 14. think of Florida
  8. 15. high rock
  9. 18. large pile of sand
  10. 19. a grass area
  11. 21. waterway used for travel
  12. 22. salt water surrounded by land
Down
  1. 1. desolate land
  2. 3. barren land
  3. 5. large body of ice
  4. 6. high land with a summit
  5. 7. there are 7 of them
  6. 9. steep rock
  7. 10. narrow land connecting other land
  8. 13. think of Niagra Falls
  9. 15. one goes between England and France
  10. 16. a glacial valley
  11. 17. treeless plains
  12. 20. flat elevated landforms
  13. 21. underground opening