A fuel cell is a device that uses fossil fuels such as natural gas or propane to produce electricity without combustion, extracting ____, which is used to create power similar to how a battery works.

A. nitrogen
B. oxygen
C. halogen
D. hydrogen


Answer: D

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Fill in the blank(s) with the appropriate word(s).

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Answer the following statement true (T) or false (F)

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What will be an ideal response?

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What will be an ideal response?

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