Geo Cross word puzzle

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Across
  1. 2. pressure that builds up leading to 2 plates colliding
  2. 7. when 2 plates collide
  3. 9. crust in the earths core
  4. 12. The mostly solid bulk of the earths interior
  5. 13. a Phenomenon that occurs when plate tectonics shift
  6. 14. the mega continent
  7. 15. when 2 plates move away from eachother
  8. 17. occurs when an oceanic plate runs into a continental plate and slides beneath it.
Down
  1. 1. openings or vents where lava erupts
  2. 3. any of the world's main continuous expanses of land
  3. 4. drift the theory of continents drifting apart
  4. 5. steep depressions in the deepest parts of the ocean
  5. 6. a long narrow, elevated strip of land or any raised strip or band
  6. 8. a natural feature of the earths surface
  7. 9. core the very hot, dense center of our planet
  8. 10. 2 plates moving towards eachother
  9. 11. huge waves from the ocean caused by an earth quake
  10. 14. tectonics the theory that Earth's outer shell is divided into large slabs of solid rock
  11. 16. a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them.