How does hydrogen fuel cell work?
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:D
How does hydrogen fuel cell work?
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