Crossword Puzzle:Plate tectonics

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Across
  1. 4. A scientific theory that explains how major land form are created as a result of Earth's subterranean movements
  2. 9. the boundary that collides together creates mountains and volcanoes
  3. 10. A super continent that incorporated almost all the land masses on earth
  4. 11. is part of upper mantle
  5. 12. is made of earth's crust and upper mantle
  6. 13. the boundary that pulls apart creates rift valleys and mid ocean ridges
  7. 14. a landform created by a convergent boundary, but is not a volcano or a subduction zone
  8. 15. is not continental crust
Down
  1. 1. the boundary that slides past each other creates faults and trenches
  2. 2. a land form created from a convergent boundary and spews lava
  3. 3. a land form created from divergent boundaries but is not a mid-ocean ridge
  4. 5. Occurs when the surface is exposed to connective heat transfer governed by Newton's law of cooling
  5. 6. is not oceanic crust
  6. 7. Boundary line that form social distinctions and divided political areas
  7. 8. a destructive activity caused by convergent and divergent boundaries