Plate Tectonics

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Across
  1. 7. rays of energy
  2. 8. thin outer most layer
  3. 10. collide
Down
  1. 1. one plate slides under the other
  2. 2. slide past
  3. 3. the mass of something
  4. 4. push apart
  5. 5. molten rock
  6. 6. the speed of something
  7. 9. the outer edge of something