Which scientists is credited with developing the first scientific atomic theory

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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these civilizations were located around fertile rivers, where they could produce an abundance of crops

because of the war the westeners befriended japan and each other advance.