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Which of the following are true of a hydrogen fuel cell?

  1. The only waste product is hydrogen.
  2. They use hydrogen and oxygen gas as fuel.
  3. The cell provides energy as long as reactants are added.
  4. Renewable energy sources can not be used to generate the fuel.
  5. The process involves forcing the hydrogen proton through a membrane while the electron takes a different pathway.
A

I, II, IV

B

II, III, IV

C

II, IV, V

D

II, III ,V

E

I, III, V

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