Seudónimo
Seudónimo
30-04-2016
Biology
contestada
how to make coins dirty
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ruby1234
ruby1234
30-04-2016
The dark brown color of a penny is most likely oxidation, which occurs when the copper in the penny comes in contact with oxygen.
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IONLYTRUSTGOD
IONLYTRUSTGOD
30-04-2016
you can leave it in water put dirt and stuff like that to get it dirty
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