What caused the battle of antietam to be the single bloodiest day in american history? a. confederate troops unexpectedly used guerilla tactics b. confederate troops outnumbered union troops 2 to 1 c. troops marched forward in close formation against newer, more accurate weapons

c. troops marched forward in close formation against newer, more accurate weapons

there is no photo, therefore i can not answer your question.

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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i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.