Discovering the ocean!

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Across
  1. 2. People are afraid of them
  2. 5. It can burn our skin
  3. 7. The biggest one
  4. 8. It has a little smile
  5. 9. It is also on the sky
  6. 11. Creates pearls
  7. 12. Don't try to ride them!
Down
  1. 1. Ocean unicorn
  2. 3. Some people swim with them for fun
  3. 4. We can have at home
  4. 6. It has more legs than the usual
  5. 10. They can live more than 100 years