Earliest Humans

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Across
  1. 3. through, by
  2. 6. leaders and followers
  3. 7. specific, exact
  4. 9. official, strict, proper
  5. 11. new ideas, inventions,
  6. 14. productive, rich
  7. 16. official, formal
  8. 17. solve, complete
  9. 18. no longer living
Down
  1. 1. extra, leftovers
  2. 2. large animals
  3. 4. share, deliver, spread
  4. 5. roughly, nearly
  5. 8. ideas about reality
  6. 10. cause, create
  7. 12. on purpose
  8. 13. split, crack
  9. 15. not simple