Will Meise's Puzzle

12345678910111213141516171819202122
Across
  1. 2. Long steep sided glacial valley now filled with seawater
  2. 4. An artificial water way used for irrigation and travel
  3. 5. Flat top elevated landforms
  4. 7. Deep, narrow valley, with high steep walls
  5. 10. Dense growth of and other plants covering a large area
  6. 11. An inland grassland area
  7. 13. A row or chain of mountains
  8. 15. Mountains formed when lava moves through the earths crust
  9. 17. Large chunks of ice that break off in glaciers
  10. 20. Vast treeless plains with permafrost and small low plants
  11. 21. An area of low lying wetland
  12. 22. A stream with a considerable volume
Down
  1. 1. A body of salt water completely surrounded by land
  2. 3. Large continues body of salt water
  3. 4. High steep or over hanging rock face
  4. 6. Lowland region saturated by water
  5. 7. Deeper part of a river or water
  6. 8. A piece of land surrounded by water
  7. 9. Steep descent of water from a height
  8. 12. One of the large seven landmasses
  9. 14. Ring shaped island formed by coral buildup on the rim of an underwater volcano
  10. 16. Triangular section of land built up at a rivers mouth
  11. 17. A strip of land that connects two large landmasses and separates to sections of water
  12. 18. Natural hot spring that emits a column of water and steam in the air
  13. 19. Densely overgrown land with tropical vegetation