Chemistry, 05.11.2019 01:31 coolvic345

Separate the pennies you have into two groups: one group with pennies dated before 1982 and the other with pennies dated after 1982. compare the two groups. record any similarities or differences in size or appearance that you notice between the two groups.

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Separate the pennies you have into two groups: one group with pennies dated before 1982 and the oth...