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Physics 18 Online
OpenStudy (anonymous):

Voltage sources are used to sustain A. the flow of protons B. chemical reactions C. resistance D. the movement of electric charge

OpenStudy (anonymous):

D. but the voltage can sustain chemical reactions, like the batteries.

OpenStudy (anonymous):

so its b?

OpenStudy (anonymous):

To me, D. it's the main utility. The B. is a derivative

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