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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
asked 124k views
5 votes
Do you think oxygen turns the penny dark brown all the way through or just on the surface

asked
User Akshay Kalose
by
6.9k points

1 Answer

4 votes

Answer:

just on the surface

Step-by-step explanation:

you can clean it

answered
User Pinidbest
by
7.9k points
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