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The Statue of Liberty is made out of copper and was once shiny and copper-colored. Over the years, the copper has gone through a process called oxidation, where it has changed into a new material.

User Intekhab
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Answer:

A

just took the test

Step-by-step explanation:

User Artur Haddad
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An endothermic reaction has occurred.
User Revprez
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