Continental drift theory

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Across
  1. 4. Theory that the world was once connected
  2. 6. Solid outer section of the earth
  3. 7. liquid layer about 2,300m thick
  4. 8. Largest layer of earth
  5. 9. solid part of the upper mantle
  6. 10. The outed layer of earth
Down
  1. 1. Converge, Diverge, Transform
  2. 2. solid ball of metal
  3. 3. waves of energy caused by earthquakes and other rock movements
  4. 5. layer of rock which forms continents