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cross_type 0.30 — supporting 3 facts

Ethiopia is the location where significant archaeological evidence of stone tools has been discovered, including the world's oldest examples at Gona [1] [2] and evidence of their use on the Bodo skull [3].

Facts (3)

Sources
The role of Plant Foods in the evolution and Dispersal of early Humans kernsverlag.com Kerns Verlag 1 fact
referenceDomínguez-Rodrigo, M., Pickering, T. R., Semaw, S., and Rogers, M. J. (2005) analyzed cutmarked bones from Pliocene archaeological sites at Gona, Afar, Ethiopia, to determine the function of the world’s oldest stone tools, as published in the Journal of Human Evolution 48, 109–121.
Evidence for Meat-Eating by Early Humans | Learn Science at Scitable nature.com Nature 1 fact
referenceSemaw et al. reported on 2.6-million-year-old stone tools and associated bones discovered at the OGS-6 and OGS-7 sites in Gona, Afar, Ethiopia, in a 2003 study published in the Journal of Human Evolution.
How do we know what they ate? - The Australian Museum australian.museum Australian Museum 1 fact
claimThe Bodo skull, a Homo heidelbergensis specimen found in Ethiopia and dating to approximately 600,000 years ago, displays cut marks from stone tools on the eye sockets, cheekbones, forehead, and cranium, with the bone condition indicating defleshing occurred near the time of death.