If we were to develop an economy around hydrogen as a fuel source (as some have suggested we should), what would be the best way to produce the hydrogen if we wanted to protect the environment?
A. Use wind power to generate electricity and decompose water.
B. Drill the deep wells we need to tap the natural reserves.
C. Mine the ocean floor for methane deposits and extract it.
D. Extract hydrogen from natural gas using electricity from burning coal.
Answer: A
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