Natural Features

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Across
  1. 4. An area of trees and plants in a tropical.
  2. 5. A large hole in a mountain or cliff, or underground.
  3. 8. lines of water that move across the surface.
  4. 10. A large area of rocks.
Down
  1. 1. A waterless place covered in sand.
  2. 2. Hills of sand formed by the wind in a desert.
  3. 3. An area of sand or stones which is next to the sea.
  4. 6. A mountain with a large opening at the top through which lava is forced out into the air.
  5. 7. A large area of water which is large.
  6. 9. A high area of rock with a very steep side.