PLATE TECTONICS

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Across
  1. 2. ridge
  2. 5. together
  3. 7. dude
  4. 8. sea
  5. 12. plate
Down
  1. 1. apart
  2. 3. mantle
  3. 4. ocean
  4. 6. earth
  5. 9. valley
  6. 10. supercontinent
  7. 11. continent
  8. 13. sliding