Plate tectonics

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Across
  1. 2. sections of earths crust under the ocean
  2. 3. large moving piece of earth's crust
  3. 8. Boundary where two plates collide
  4. 9. Boundary where plates move oppositely
  5. 10. Boundary where plates are moving apart
Down
  1. 1. Molten rock between the core and crust
  2. 4. outer layer of the earth
  3. 5. where ocean crust slides under continent
  4. 6. large landmass
  5. 7. where magma is found