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Pennies made after 1982 are made primarily of one
element coated with a thin layer of copper that gives it the
appearance of pure copper. Use the evidence from your
experimental results and the table of densities to identify
which element might make up most of a penny.
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Answers: 3
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Pennies made after 1982 are made primarily of one
element coated with a thin layer of copper that...
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