Early civilizations

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Across
  1. 4. Traveler
  2. 7. plants
  3. 9. Farming
  4. 10. Train pet
  5. 12. Humans
  6. 14. adapt something
Down
  1. 1. searching for food
  2. 2. animal
  3. 3. Archaeology site
  4. 5. Water
  5. 6. moving
  6. 8. primate
  7. 11. prehistory studies
  8. 13. a long time ago
  9. 15. giving and taking