The Twenty-one Balloons Crossword Puzzle

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Across
  1. 2. Stores lava and erupts every once in a while
  2. 4. Another word for the world
  3. 5. A piece of land surrounded by water
  4. 6. Hot air_________
  5. 9. Main character of The Twenty-one Balloons
  6. 10. Serves food Example: McDonalds
Down
  1. 1. Where the golden gate bridge is located
  2. 3. The author's last name of The Twenty-one balloons
  3. 7. Very valuable gems
  4. 8. Where the biggest volcano eruption happened