Changing Earth

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Across
  1. 3. soil and rocks are added to a landform or land mass
  2. 5. tectonic plates collide
  3. 7. tectonic plates moving away
  4. 9. the gradual destruction of something
  5. 10. a layer inside a terrestrial planet
Down
  1. 1. breaking down of rocks
  2. 2. a solid ball
  3. 4. fluid layer
  4. 6. outermost layer of a planet
  5. 8. plates slide past each other