Plate tectonic crossword puzzle

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Across
  1. 3. north american plate
  2. 5. comes together
  3. 7. Eurasian
  4. 8. moves apart
  5. 9. ridge made by divergent boundary
Down
  1. 1. large pieces of rock that make up the crust
  2. 2. lower mantle upper inner core
  3. 4. slides past
  4. 6. upper mantle crust