A hydrogen fuel cell is more efficient than a combustion reaction because very little of the released energy is released as ___. When used at home, a fuel cell eliminates the need for___


1) A. Heat

BElectrical energy
CChemical energy

2) A. Oxygen

BHydrogen
CAn electrical grid

Verified Answer :

A hydrogen fuel cell is more efficient than a combustion reaction because very little of the released energy is released as "Heat". When used at home, a fuel cell eliminates the need for "An Electrical grid"

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It would be A. heat and C. an electric grid.

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