Water in the world

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Across
  1. 3. frozen water
  2. 4. part of the water cycle
  3. 6. part of a river
  4. 7. an ocean
  5. 9. there are seven of these on earth
  6. 12. a trail of water
  7. 13. H2o
Down
  1. 1. an ocean
  2. 2. the proccess of cleaning water
  3. 5. very strong fast water
  4. 8. a part of a river
  5. 10. humongous waves in the ocean
  6. 11. a flowing trail of water connected to a lake or ocean