Plate motion

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Across
  1. 2. A set of interacting parts creating a complex whole
  2. 7. earths outer most layer of hard soild rock
  3. 9. to examine in detail for a purpose
  4. 10. something we observe to be similar over and over again
  5. 11. any of the many eruptions in which gas lava and ash comes out of the earth
  6. 14. moves away from each other
  7. 16. divergent makes this
  8. 19. the place where to plates meet
  9. 20. a sudden shaking of the earths surface
Down
  1. 1. The slow polling apart of an land that is caused by place motion
  2. 3. The outside or top layer of something
  3. 4. a diagram that shows what the inside of something looks like
  4. 5. an instinct reptile that live 300 million years ago
  5. 6. hot liquid rock below the surface of earth
  6. 8. the layer of soft,soild rock underneath earths plates
  7. 12. convergent makes this
  8. 13. moves into each other
  9. 15. how often or fast something happens
  10. 17. all the continents
  11. 18. earths outer layer is divided into sections called