Question

Studying the lead levels in skeletons of Colonial Americans living during the 17th to 19th centuries in Maryland, Virginia, and Georgia, Arthur Aufderheide discovered that
a) wealthy plantation owners had the highest lead levels
b) white tenant farmers tended to have higher lead levels than slaves or free blacks
c) slaves and free blacks generally had the highest lead levels
d) all of the above
e) answers a and b are correct

Answer

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