plate tectonics

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Across
  1. 2. A boundary where two tectonic plates slide past each other.
  2. 4. When two plates collide.
  3. 6. A large section of the Earth's lithosphere that moves as a unit.
  4. 7. In between the crust and the mantle.
Down
  1. 1. When two plates collide but one falls below the other.
  2. 3. Beneath the lithosphere.
  3. 5. Two plates that pull away from each other.