Plate tectonics

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Across
  1. 2. new ocean floor from divergent boundary
  2. 4. slide past each other
  3. 7. move together
  4. 8. thicker, less dense
  5. 9. moves continents
Down
  1. 1. move away
  2. 3. when one plate goes under the other
  3. 5. thinner, denser
  4. 6. molten rock