Earth

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Across
  1. 3. plate slides under another
  2. 5. lowland region where plate tectonics
  3. 9. trench in western pacific ocean
  4. 10. slide
  5. 11. divorce
Down
  1. 1. upper layer of mantle
  2. 2. rift in africa
  3. 4. fault in san andres
  4. 6. valley in ocean
  5. 7. zero fractures between plate tectonics
  6. 8. Collide