Across
- 3. new stone age
- 4. training of plants and animal
- 8. stone tools
- 9. raising of plants and animal
- 11. moved from place to place
- 12. helps with task
Down
- 1. skills of tools to meet needs
- 2. human existence in cities
- 5. extra supply
- 6. do one thing well
- 7. before writing
- 10. long time period