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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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mbhound mbhound
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6 years ago
Whether a hydrogenbased 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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sylviag14sylviag14
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6 years ago
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