Amazing Iceberg

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Across
  1. 1. Birds inhabiting Antarctica
  2. 4. Large pieces of ice floating in the oceans
  3. 5. The north polar region
  4. 8. The southern polar region
  5. 10. Something which helps to break the big iceberg into smaller pieces
  6. 11. The constituent of icebergs
Down
  1. 2. Iceberg region in North Atlanta Ocean
  2. 3. The ice shelf from which the huge iceberg broke off
  3. 4. shelf Glaciers floating on the sea
  4. 6. Frozen polar regions of the Earth
  5. 7. Rivers of ice
  6. 9. bear The animals found in Arctic region