Multiple Choice
One or more factors that today prevent the widespread use of hydrogen as a fuel is/are
A) the need to first separate hydrogen from its chemical compounds, such as water.
B) the carbon dioxide produced when it combines with oxygen.
C) the amount of energy liberated when it combines with oxygen.
D) the difficulty of storing and shipping it.
E) Both A and D
Correct Answer:

Verified
Correct Answer:
Verified
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