Into the ice

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Across
  1. 3. a supply of food and drinks
  2. 5. covered in special material to prevent the lose of heat
  3. 7. person in charge of finding the course of a ship
  4. 8. to prove to be true
Down
  1. 1. being separated from the rest of the group
  2. 2. journey taken for a spcial purpose
  3. 4. events that will happen to a person in the future
  4. 6. what you try to do to your enemy in a war