Tectonic plates

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Across
  1. 2. Moves and squeezes close to each other
  2. 6. The insides of earth
  3. 9. Thinnest mechanical layer of Earth
  4. 11. The mechanical layers of Earth
  5. 15. A zone that borders two plates
  6. 16. Outside core
  7. 18. Continents matching or fitting in with each other
  8. 19. Caused by plates slipping and causes an earthquake
  9. 20. Moves away from each other
Down
  1. 1. plates Something that moves constantly
  2. 3. A new ocean crust is formed due to plates moving away from each other
  3. 4. A theory that affects earth
  4. 5. Slides opposite directions
  5. 7. The largest layer of Earth
  6. 8. Original layers of Earth
  7. 10. Moves towards each other
  8. 12. The thinnest layer of Earth
  9. 13. The largest mechanical layer of Earth
  10. 14. Holds the crust and upper mantle
  11. 17. The hottest layer of Earth