It makes sense that humans began a form of abstract writing about 3000 years BC.
Could be way earlier but supposing this is factual, humans could still have taken more than just a few thousands of years to develop writting skills or a writting system.
Though I have not gone into much research, it is certain that humans could not have existed for such a short period of time.
what makes you say that"it is certain that humans could not existed for such a short period of time"?
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