beach

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Across
  1. 3. large areas of salt water
  2. 4. a large area of land that’s covered in trees
  3. 6. it is an area along the edge of a sea
Down
  1. 1. natural, usually a freshwater stream
  2. 2. usually higher than a hill, typically rising at least 300 metres
  3. 5. a stone, maybe in mountains