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The Stone Age is a broad prehistoric period, lasting aboudo my math homework for met 2.5 million years (Ma), during which humans and their predecessor species in the genus Homo, as well as the earlier partly contemporary genera Australopithecus and Paranthropus, widely used exclusively stone as their hard material in the manufacture of implements with a sharp edge, a point, or a percussion surface. Bone was used during this period as well, but finds of bone tools are rare compared to the millions of stone tools that have been collected from the surface or excavated. Bone is mubest essay writing servicech softer than the two types of hard material used by early man: stone and metals.

During the Stone Age, metalworking was beyond human capability. This book was created using print-on-demand technology.