Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Power Systems Generating Stations Non Conventional Energy Source
Which of the following is a conventional source of energy?
1
Wind
2
Biomass
3
Fossil fuels
4
More than one of the above
5
None of the above