semester crossword puzzle

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Across
  1. 3. A layer inside the planet surrounded by the core and crust
  2. 5. Two plates moving towards each other
  3. 8. Laying of sediment carried by flowing water, wind, ice or the sea.
  4. 10. Outer layer of a planet
Down
  1. 1. Two plates moving away from each other
  2. 2. When something changes in structure or form
  3. 4. The center of the planet
  4. 6. Composed of Nickle and iron
  5. 7. Process of being wore down by exposure from the atmosphere
  6. 9. destruction happens and it can destroy or wear away