Nature

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Across
  1. 3. a giant rock
  2. 5. pull of water
  3. 7. a line of water
  4. 8. A big wave
  5. 10. mud
Down
  1. 1. water falling from a ledge
  2. 2. heat
  3. 4. a dark tunnel
  4. 6. wooded plants
  5. 9. tiny rocks