The commercial sources of energy are____________?
Correct answer: B. fossil fuels, hydropower and nuclear energy
- A. solar, wind and biomass
- B. fossil fuels, hydropower and nuclear energy
- C. wood, animal wastes and agriculture wastes
- D. none of the above
Explanation
Commercial energy sources are traded or supplied through organized energy systems, such as fossil fuels, hydropower, and nuclear energy. Wood and agricultural or animal wastes are generally classified as non-commercial sources.
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