plates

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Across
  1. 2. inner Most layer of the earth
  2. 4. where two plates meet
  3. 7. plates collide
  4. 11. The act of being squeezed
  5. 15. Harry Hess had a theory on this
  6. 17. plates seprate
  7. 18. when seafloor spreads what is that called
  8. 19. outside of the innercore
  9. 20. One sinks under the other
Down
  1. 1. plates move past each other
  2. 3. Middle layer of the earth
  3. 5. Mixture is made up
  4. 6. It consist of the upper mantle and the crust
  5. 8. third highest layer in the atmosphere
  6. 9. what do you call whentwo plates drift apart
  7. 10. what we call the plates that we live on
  8. 12. inside of the outercore
  9. 13. Outer layer of the earth
  10. 14. phicycle proprtys while being forced
  11. 16. Underneth the lithosphere but not the mantle