techtonic plates

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Across
  1. 4. ocean mountain ranges split down the middle
  2. 5. a type of fault where the crust sideways past eachother
  3. 7. the process in which crust pushes downward into the mantle at the fault line
  4. 9. a super continent
  5. 10. movement of the ocean crust
  6. 12. the plate boundry where the plates slowly collide into each other
  7. 13. first person to build a scientific case to support the theory of the continental drift
Down
  1. 1. the branch of geology that deals with the movement that shapes earths crust
  2. 2. v-shaped valleys that are the deepest parts of the oceans
  3. 3. the preserved remains of anicient, once living organisms
  4. 6. a type of plate boundry where the plates slowly move
  5. 8. a large part of the earths crust that slowly moves
  6. 11. the uppermost solid part of Earths crust