Across
- 1. to do something well
- 4. farming
- 8. training of plants and animals to make them more useful
- 10. old stone age
- 11. time before writing
- 12. people who move from place to place to meet and hunt
Down
- 1. extra supply
- 2. ancient city
- 3. to move to a new place
- 5. object used to help complete tasks
- 6. new stone age
- 7. a skill
- 9. a long period of time