Natural Formations

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Across
  1. 3. a low area of land between hills or mountains
  2. 5. a flow of water dropping from a height
  3. 7. a natural flow of water that moves across land
  4. 8. naturally raised area of land
  5. 9. large, rocky raised area of land
Down
  1. 1. a large underground chamber
  2. 2. rock face, especially at the edge of the sea
  3. 4. not made by humans
  4. 6. dry, arid land with little rainfall