The commercial sources of energy are
A. solar, wind and biomass
B. fossil fuels, hydropower and nuclear energy
C. wood, animal wastes and agriculture wastes
D. none of the above
Answer:B
The commercial sources of energy are
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: The commercial sources of energy are fossil fuels, hydropower and nuclear energy.