> The first identified tools were 3.3 million years ago
I assume these are made of stone? What kind of tools?
I believe the evidence is animal bones that show marks from butchery, as well as actual sharpened stone flakes and other things found primarily in what is now Kenya: https://en.wikipedia.org/wiki/Lomekwi
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I believe the evidence is animal bones that show marks from butchery, as well as actual sharpened stone flakes and other things found primarily in what is now Kenya: https://en.wikipedia.org/wiki/Lomekwi