water

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Across
  1. 3. big sea
  2. 4. not dirty
  3. 8. rain fall
  4. 9. gases around the earth
  5. 10. live
Down
  1. 1. find out
  2. 2. gas becomes liquid
  3. 5. a journey
  4. 6. land
  5. 7. people drink it everyday