A large cooler is filled with water, as shown below. How does the valve on the cooler compare with the switch in an electric circuit?
A. Opening the valve allows water to flow, just like opening a switch allows charges to flow.
B. Opening the valve stops the flow of water, but closing a switch stops the flow of charges.
C. Closing the valve stops the flow of water, but opening a switch stops the flow of charges.
D. Closing the valve allows water to flow, just like closing a switch allows charges to flow.
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