tectonic plates

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Across
  1. 2. appears at a subduction zone
  2. 3. the line between a tectonic plate
  3. 4. the person who came up with the theory of continental drift
  4. 11. when plates slide under each other
  5. 12. the super continent formed a million years ago
  6. 13. the current that allows the continents to move
Down
  1. 1. the giant pieces of land that once formed Pangaea
  2. 5. when tectonic plates spread apart
  3. 6. happens at a continental transform boundary
  4. 7. appears at a convergent boundary
  5. 8. happens at a underwater transform boundary
  6. 9. when tectonic plates collide
  7. 10. when tectonic plats slide past each other