World Ocean

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Across
  1. 2. A piece of land surrounded by water.
  2. 4. A vast salty body of water.
  3. 6. A creature with fins that swims.
  4. 7. A moving swell in the ocean.
  5. 8. A vessel used to travel on water.
  6. 9. A fierce predator of the seas.
  7. 11. Where the sand meets the sea.
  8. 12. A large body of water surrounded by land.
Down
  1. 1. Water that falls from the sky.
  2. 3. A playful and intelligent marine mammal.
  3. 5. The rise and fall of sea levels.
  4. 7. The largest mammal in the water.
  5. 9. A hard covering found on the shore.
  6. 10. A flowing stream of fresh water.