Across
- 4. Surrounds India
- 6. Brazil is here
- 8. The effect was the result of domestic animals
- 10. 15,000 to 20,000 years ago
- 12. How we find information on the past
- 13. Also surrounds North America
- 14. Cold
- 15. The time before human history misconceptions
- 17. Surrounds Canada
- 19. rich agricultural and industrial diversity
- 20. Early humans originated here
Down
- 1. a society that reaches an advanced stage of social and cultural development and organization
- 2. Means each worker specializes in a particular job.
- 3. They survived as hunter-gatheres in this period
- 5. the largest and most populous continent
- 7. Closest to Antartica
- 9. The transition from a nomadic lifestyle to settle communities with a large population
- 11. Surrounds North America
- 16. Surrounding the land of Antarctica
- 18. We live here
