Antarctica crossword

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Across
  1. 3. an ice house
  2. 5. another name for adventurer
  3. 7. big fat wet animal
  4. 8. A black and white animal
Down
  1. 1. A dangerous winds and snow
  2. 2. floating ice in the sea
  3. 4. imaginary line in the south
  4. 6. breezy
  5. 7. Powder ice