Water On Earth:) by kennedy hill

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Across
  1. 1. the gases on earth
  2. 3. 2.5% of all water on earth
  3. 5. 67% of fresh water
  4. 6. 97.5% of all water on earth.
Down
  1. 2. sheet of ice found on the north and south pole.
  2. 4. some of these have fresh water