Shipwreck at the Bottom of the World

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Across
  1. 2. boredom
  2. 5. death and decay of body tissues
  3. 7. a charm believed to have magical powers of protection
  4. 8. name of the ocean surrounding Antarctica
  5. 10. serene
  6. 13. making or doing something without prior preparation
  7. 14. Antarctica is one
  8. 15. a disease caused by lack of vitamin C
Down
  1. 1. rotting
  2. 3. stubborn; immovable
  3. 4. discouraged
  4. 6. Southern Lights
  5. 9. an open channel in the ice
  6. 11. small icebergs
  7. 12. icebergs do this from glaciers