Prehistoric People

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Across
  1. 4. man who thinks
  2. 6. the development of occupations (jobs)
  3. 9. man who walks upright
  4. 10. skillful man
Down
  1. 1. chisel
  2. 2. number of people
  3. 3. tame
  4. 5. to move to a new area
  5. 7. people who began to have culture and live in cities
  6. 8. the period of time before the invention of writing