multimorphemic

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Across
  1. 1. - very hard to believe
  2. 4. - a major change in appearance or form
  3. 6. - relating to more than one country
  4. 8. - doing something on your own
  5. 9. - something you are expected to take care of
  6. 10. - a book someone writes about their own life
Down
  1. 2. - relating to the natural world and surroundings
  2. 3. - sharing information or ideas
  3. 5. - from the time before written history
  4. 7. - building or putting something back together again