Electric circuits provide energy for lightbulbs. Which of these prevents the flow of
electrons?

The answer is: 6.3mi got it right

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.