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Do you think oxygen turns the penny dark brown all the way through or just on the surface

Do you think oxygen turns the penny dark brown all the way through or just on the surface
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5 votes
Do you think oxygen turns the penny dark brown all the way through or just on the surface

User Akshay Kalose
by
6.9k points

1 Answer

4 votes

Answer:

just on the surface

Step-by-step explanation:

you can clean it

User Pinidbest
by
7.9k points
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