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Why does Paola's mom suggest doing an experiment on pennies??

User EcksDy
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Answer: Paola asked her mother why the pennies were green.

Explanation: Why? Because Paola asked her mother why the pennies were green. Her mother explained that the pennies had gone through a process called oxidation. This is a chemical reaction that can take place on metal. In this case, it creates a substance on metal.

User Kimbley
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