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Across
  1. 2. A period of discovering fire
  2. 6. The oldest city state of Mesopotamia
  3. 8. A system of writings in Indus civilization
  4. 9. A period of discovering canoe
  5. 10. A name of female skeleton ofAustralopithecus
  6. 11. also known as Erect ape man
Down
  1. 1. waking using four legs
  2. 3. A civilization where construction ofpyramids
  3. 4. A process of preserving a body of Egyptian
  4. 5. He discovered Australopithecus robustus
  5. 7. also known as Southern Ape