Across
- 1. Extra food or goods beyond what is needed
- 3. The exchange of goods or services
- 5. The process of taming animals for human use
- 9. People who move frequently to find food
- 11. The first known natural human mummy, found in the Alps
- 12. Used to study past human life through objects left behind
Down
- 2. The period before farming
- 4. The development of farming and raising crops
- 6. A permanent place where people live
- 7. People who travel from place to place without a permanent home
- 8. The period after farming began
- 10. The process of focusing on one type of job or skill in a society