Plate Tectonics

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Across
  1. 1. When one plate goes under another
  2. 6. A 100 km thick layer that consists of the crust and upper mantle
  3. 7. The driving force of plate tectonics
  4. 8. Plates that slide past each other
Down
  1. 2. Plates that move toward each other
  2. 3. Where most earthquakes and volcanoes happen
  3. 4. Plates that move away
  4. 5. Sections of the lithosphere