What was one long-term effect of the work of the civilian conservation corps? (4 points) many workers went on to become important natural scientists. new forests and improved lands flourished around the nation. hundreds of miles of new highways crisscrossed the country. public buildings and infrastructure rural areas grow.

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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