the plate tectonics

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Across
  1. 2. boundary where plates slide past each other
  2. 5. a supercontinent that form millions of years ago called the continental drift
  3. 7. crust and upper mantle
  4. 8. shifting of the tectonic plates felt on the crust
Down
  1. 1. under the lithosphere and is full of convection
  2. 3. the inside of the ear made out of nickel and iron
  3. 4. liquid layer of the earth
  4. 6. on top of the outercore and below the crust