Answer:
neanderthal and cro-magnon people produced a variety of sophisticated tools such as retouched blades, end scrapers, “nosed” scrapers, the chisel-like tool known as a burin, and fine bone tools (see Aurignacian culture). They also seem to have made tools for smoothing and scraping leather.
Agriculture was the main economic activity of Egyptian Harappan and Sumerian civilizations.
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