Plate Tectonics

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Across
  1. 3. Something that moves gradually over millions of years
  2. 5. when two plates move toward each other
  3. 7. the outside of the earth, it is 5km thick
  4. 8. the center of the earth
Down
  1. 1. this can either be divergent or convergent
  2. 2. when two plates move away from each other
  3. 3. when something is repeated
  4. 4. a land form that appears near plate boundaries
  5. 6. ___ per ____