South American & Nazca plates

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Across
  1. 3. formed by the oceania plate being subducted
  2. 6. the plate in the ocean that is more dense
  3. 7. when the two plates converge
Down
  1. 1. when the oceania plate gets pulled below the continental plate
  2. 2. the plate on land that is crust and less dense
  3. 4. when two tectonic plates collide into eachother
  4. 5. earthquake causes a big wave to form