A fuel cell does not "run down" like a standard battery because
A) the reactants in a battery must be stored inside the battery,whereas the reactants for a fuel cell flow in as needed.
B) a fuel cell continually recycles the same electrons,whereas a battery must continually generate new ones.
C) a battery is completely dependent upon oxidation-reduction reactions,whereas a fuel cell depends on acid-base reactions.
D) a battery has many moving parts,whereas a fuel cell has none.
Correct Answer:
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