Mrs. B's Geography Crossword Puzzle

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Across
  1. 2. Wow, that's cold
  2. 4. Other name for #12
  3. 6. Frozen ocean
  4. 8. For cuisine, culture, and colonization
  5. 11. Line that splits the Earth ━━
  6. 12. Island continent
  7. 13. On all 4
  8. 14. ⬅️
  9. 15. Half of Earth
  10. 17. Largest continent
  11. 18. Amazon
Down
  1. 1. BIG ocean
  2. 3. Line that splits the Earth ┃
  3. 5. Warmest ocean
  4. 7. ⬆️
  5. 9. ⬇️
  6. 10. Where do we live?
  7. 11. ➡️
  8. 12. Florida's ocean
  9. 16. Not the "Northern Ocean", but the...