Plate Boundaries

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Across
  1. 3. A thing that occurs when a plate that is less dense collides with another that is more dense.
  2. 4. Two plates that are moving away from each other
  3. 6. Currents in the mantle that help with the movement of the plates
  4. 8. Valleys that occur at Divergent Boundaries
Down
  1. 1. Molten rock in the mantle
  2. 2. Two plates that collide against each other
  3. 5. A deep, narrow drop in the seafloor that occurs when a plate submerges underneath another.
  4. 7. Two plates that grind/slide against each other