Across
- 5. the time before writing
- 7. to do one thing well
- 10. new stone age
- 12. the training of plants
- 13. old stone age
Down
- 1. to move to a new place
- 2. an extra supply
- 3. skills and tools for humans
- 4. human existence in cities
- 6. farming
- 8. a long time period
- 9. people who moved from places
- 11. an object to help accomplish