Early Humans and Civilization

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