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yang yang
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6 years ago
What was the main factor spurring the evolutionary development from australopithecines to homo habilis some 2.5 million years ago?
 
  a. environmental charges
  b. alien technology
  c. development of agriculture and dietary changes
  d. ingestion of excessive amounts of mercury
  e. crossbreeding with other australopithecines species
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lihuilihui
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6 years ago
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