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Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells?

A. Burning fossil fuels contributes to climate change.
B. Burning fossil fuels takes place inside expensive fuel cells.
C. Fossil fuels aren’t widely available, but pure hydrogen is.
D. Fossil fuels are nonrenewable.

1 answer

A. Burning fossil fuels contributes to climate change.
D. Fossil fuels are nonrenewable.