Whether a Hydrogen-Based Energy System Is Environmentally Cleaner Than a Fossil

question 7

Multiple Choice

Whether a hydrogen-based energy system is environmentally cleaner than a fossil fuel system depends on ___________

• A)the source of energy used to produce the hydrogen
• B)the amount of fossil fuels that are invested in long- term storage
• C)governmental incentives for research
• D)the source of oxygen used for the process
• E)the car driven

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