Across
- 5. someone who stays in one place
- 7. taming animals for human use
- 9. a product or service is exchanged for another product or service
- 10. Old Stone Age
- 11. people hunted animals and gathered plants
- 12. diffusion the spreading of one culture to another
Down
- 1. farming method when fields are cleared and burned
- 2. a complex society
- 3. Revolution the time when people began to plant crops
- 4. knowledge, beliefs, and customs of a group of people
- 6. people who move around a lot looking for food
- 8. after the year zero
- 9. before the year zero