Plate tectonics

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Across
  1. 4. Spits out lava
  2. 5. line A line around something
  3. 7. of fire Fire around it
  4. 8. off limits
  5. 9. A big piece of land
  6. 10. Puzzle peices of the earth.
Down
  1. 1. move past
  2. 2. come together
  3. 3. Has a bunch of water on top
  4. 6. A big ball