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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