How does hydrogen fuel cell work?

Question

Options:

A . Membrane → hydrogen ions → electric current and recombination with oxygen

B . Electric current and recombination with oxygen → hydrogen ions → membrane

C . Hydrogen ions → membrane → electric current and recombination with oxygen

D . Recombination with oxygen → electric current → membrane → hydrogen ions

Answer: Option D
Answer: (d).Recombination with oxygen → electric current → membrane → hydrogen ions

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