A few days ago
How is it possible for pennies made before 1982 and after to have diff. densites?
Please help. I dont get this.
Top 3 Answers
A few days ago
Favorite Answer
maybe they used a different material to make them
0
A few days ago
I do believe they used a different material to make them. I think I saw this on Jeopardy tonight. 😀 Before that time, they used 100% copper, and now they use like 98% zinc and only 2% copper. Look into the different matierials used to make them.
Good luck!
0
A few days ago
Manafactured using a different mix of metals
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