Plate Tectonic

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Across
  1. 7. between two plates
  2. 8. plate piece
  3. 10. drift theory
  4. 11. core solid
  5. 12. rigid
Down
  1. 1. between crust/core
  2. 2. boundary boundary
  3. 3. zone sinks
  4. 4. core liquid
  5. 5. Outermost
  6. 6. spreading new lithosphere
  7. 9. soft