The Water Planet

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Across
  1. 4. a crack or hole in the surface of the land or ocean
  2. 6. the biggest ocean in the world
  3. 8. a bath toy that fell out from a ship
  4. 10. a living thing
  5. 11. in the oceans
  6. 12. the remains of something broken
Down
  1. 1. a scientist that studies oceans and the things that
  2. 2. a valley in the ocean
  3. 3. through which hot water shoots up
  4. 5. to change from a liquid into a vapour or gas
  5. 7. it moves at speeds of 100 to 160 kilometres a day
  6. 9. a small underwater craft that is usually used for deep sea