tectonic plates

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