plate tectonic

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Across
  1. 1. are where two tectonic plates come together or converge or overlap.
  2. 3. when one convergent plate is denser than the other one.
  3. 5. valley occurs at divergent boundaries.
  4. 6. there are two tectonic plates moving away in opposite directions.
Down
  1. 2. are when two tectonic plates slide past each other.
  2. 4. plates movement is caused by convection currents in the molten rock.