Writing was invented independently at least four times in human history: in ancient Mesopotamia, Egypt, China and Mesoamerica. Earliest evidence of writing dates to 3200 BCE in present day Iraq.http://blogs.discovermagazine.com/crux/2018/12/19/the-origins-of-writing/ …
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Why do some letters have the same pronunciation ? https://www.quora.com/Why-do-some-letters-have-the-same-pronunciation …pic.twitter.com/5nk4ySLtl9
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