Plate tectonics

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Across
  1. 3. Part of Earth were living thing exist
  2. 7. Theory of global tectonics
  3. 11. Large aera of land
  4. 12. Very large aera of land
  5. 14. Supercontinent that includes all current landmasses
  6. 15. Thick, dence layer of rock that underlines Earth's crust
  7. 17. mountain which can burst any time
  8. 18. something caused by an earthquake
  9. 19. Black rock that comes from volcanos
Down
  1. 1. slow movement of Earth's continents
  2. 2. German researcher geophysicst and metorologist
  3. 4. Tectonic process
  4. 5. San Andreas Fault line
  5. 6. Thin, outer portion of the Earth
  6. 8. Shaking of the ground
  7. 9. spreading: Process that occurs at mid-ocean ridges
  8. 10. Sound navigation and ranging
  9. 13. Relating to the ocean
  10. 16. Remains or trace of a living thing