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Across
  1. 4. Age
  2. 7. a natural tool
  3. 8. agriculture
  4. 9. farming and raising
  5. 10. give something for something else
Down
  1. 1. a good place for growing crops
  2. 2. 2 million years ago
  3. 3. make it use full for humans
  4. 5. 8000 bce to 3000 bce
  5. 6. no permanent home