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