Science

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Across
  1. 6. Ion
  2. 8. tectonic
  3. 9. Divergent
  4. 10. Convergent
  5. 12. rift
  6. 13. Convection
  7. 15. Alfred
  8. 16. Pangea
Down
  1. 1. Spreading
  2. 2. positive
  3. 3. Valley
  4. 4. continental
  5. 5. proton
  6. 7. electron
  7. 11. Science
  8. 14. Transform