What was the toxic substance that accidentally found its way into the food chain in the early 1970s and to which almost all of Michigan's residents became exposed?
a. Lead acetate
b. Methylmercury
c. Listeria monocytogenes
d. Polybrominated biphenyl
e. Perfluorooctanoic acid
ANS: D
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Water acounts for __________ to _________% of an infant's total weight?
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