A
Solar, wind, hydro, biomass, and nuclear energy
B
Coal, natural gas, and petroleum-based power plants
C
Thermal and lignite-based power generation units
D
Shale gas and underground coal gasification projects
Correct answer: (a) Solar, wind, hydro, biomass, and nuclear energy
Explanation
Non-fossil energy sources specifically refer to power generation technologies that do not rely on hydrocarbons, such as solar, wind, hydro, biomass, and nuclear energy. Options B, C, and D involve fossil fuels or hydrocarbons.
Same topic · past papers
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