Pangea and earth

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Across
  1. 3. Canal continent that is connected to Eurasia
  2. 5. a gap or space made by cleaving or splitting
  3. 7. The ocean that surrounded the supercontinent Pangaea.
  4. 9. the rigid outer part of the earth, consisting of the crust and upper mantle.
  5. 11. part of the earth between the core and the
  6. 12. state or process of changing
  7. 13. plate where two plates are moving toward each other.
  8. 14. the study of the record of the Earth's magnetic field in rocks, sediment, or archeological materials.
  9. 16. preserved remains
  10. 18. the quasi-periodic aggregation and dispersal of Earth's continental crust.
Down
  1. 1. when one tectonic plate slides beneath another plate at a subduction zone.
  2. 2. a fragment of crustal material formed on, or broken off from, one tectonic plate and accreted or "sutured" to crust lying on another plate.
  3. 4. a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
  4. 6. one of the seven continents
  5. 8. the formation of new areas of oceanic crust.
  6. 10. world's second largest and second most-populous continent.
  7. 15. America a continent located in the western hemisphere, mostly in the southern hemisphere
  8. 17. SuperContinent