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Q. |
Which is most common source of energy from which electricity is produced? |
A. | hydroelectricity |
B. | wind energy |
C. | coal |
D. | solar energy |
Answer» C. coal | |
Explanation: coal is the most common source of energy that is being used since industrialization. modern steam boilers can burn coal in any of its form as a primary fuel. different ranks of coal available are peat, lignite, bituminous and anthracite. |
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