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Fuel Cells Produce Electricity 1

Question 20

Multiple Choice

Fuel cells produce electricity 1. that cannot be stored and must be used immediately.
2. indefinitely, as long as they are supplied with fuel (hydrogen) .
3. from fossil fuel added to the chemical reaction.
4. from solar energy that has been stored as chemical energy.


A) 1 only
B) 2 only
C) 3 only
D) 4 only
E) 2 and 4

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