Question

Which elements do hydrogen fuel cells combine to produce electricity?
A. hydrogen and oxygen
B. hydrogen and carbon
C. hydrogen, oxygen, and nitrogen
D. hydrogen, carbon, and nitrogen
PLEASE HELP

Answer 1

NaCl makes electronic stuff

Answer 2

Answer:

A) hydrogen and oxygen

they produce fuel cells because they form water which can be used to form electricity and are used in car batteries and stored for later use