Ice-land Valcano

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Across
  1. 1. hot ed stuff that comes out a valcano
  2. 4. what do we live on
  3. 5. Big heavy objects
  4. 6. opposite of greenland
Down
  1. 2. black flakes that float in the air and fall on the ground
  2. 3. type of natural disaster
  3. 7. a valcano is about to ________