Earth's layers

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Across
  1. 2. tectonics-the lithosphere of the earth is divided into a small number of moving plates
  2. 4. the South pole becomes a North pole.
  3. 7. current-heat-driven cycles that occur in the air,
  4. 9. below the edge of another.
  5. 11. drift - The movement of continents resulting
Down
  1. 1. reversal-he process by which the North pole is transformed into a South pole
  2. 3. the action or process in plate tectonics of the edge of one crustal plate
  3. 5. the motion of tectonic plates.
  4. 6. movements cause seismic activity
  5. 8. spreading- The floor or bottom of the sea.
  6. 10. and mantle