Social studies crossword

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Across
  1. 7. Densely over grown land with tropic vegetation
  2. 8. Dry areas of land desolate waterless and without vegetation
  3. 10. An artificial waterway used for irrigation or travel
  4. 12. A row or chain of mountains
  5. 14. Point of land protecting into a body of water
  6. 17. An inland grass area
  7. 19. A narrow water way or channel connecting two larger bodies of water
  8. 20. Steep decent of water from a height
  9. 22. A stream of water of considerable volume
  10. 23. Land that rises above surrounding land with steep slopes and peaks the summit
Down
  1. 1. One of the seven largest land masses on earth
  2. 2. An area of sea or ocean partially enclosed by land larger than a bay
  3. 3. Body of water completely surrounded by land
  4. 4. A mountain formed when lava rises out of the earths crust
  5. 5. A narrow pieces of a land that connects to large land masses
  6. 6. Body of salt water almost entirely surrounded by land
  7. 9. Lowland region saturated by water
  8. 11. Area of barren land with roughly eroded ridges and peaked
  9. 13. A group of closely scattered islands
  10. 15. A river or stream that flows into a larger river or stream
  11. 16. A natural hot spring that emits a column of water and steam into the air
  12. 18. Deep, narrow valley with hight steep walls
  13. 21. Shallow pool of water at the center of an atoll
  14. 23. An area of low lying wet land