Antarctica crossword

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Across
  1. 1. country responsible for most whaling
  2. 4. high, natural structure
  3. 7. __-berg
  4. 10. another name for the killer whale
  5. 11. prey on penguins
  6. 12. the whole _____ needs Antarctica
  7. 13. ice does this when warm
Down
  1. 2. a large antarctic bird
  2. 3. the worlds largest whale
  3. 5. foreign visitors
  4. 6. what could happen if it melts
  5. 8. it is very ____ in Antarctica
  6. 9. animals that can fly