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Human ancestors have been using stone and other instruments since long before the emergence of Homo sapiens roughly 200,000 years ago. The earliest methods of stone software making, often identified as the Oldowan “trade,” date again to at least 2.three million years ago, with the earliest direct evidence of software utilization found in Ethiopia inside the Great Rift Valley, dating back to 2.5 million years ago. This era of stone tool use is called the Paleolithic, or “Old stone age,” and spans all of human historical past as a lot as the development of agriculture approximately 12,000 years in the …
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