tectonic

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Across
  1. 3. rigid outer part of earth
  2. 8. gradual movement of continents
  3. 9. upper layer of the earths mantle
  4. 10. the region surrounding the earth
  5. 12. a super continent
Down
  1. 1. develop in different directions
  2. 2. broken pieces made of the earths crust
  3. 4. earths interior
  4. 5. a small area with a relatively high temperature in comparison to its surroundings
  5. 6. part of something central
  6. 7. spews out lava
  7. 11. violent shaking of ground