A source of renewable minimum cost is power which can be developed with
A. Geothermal power
B. Tidal power
C. Wind mills
D. Biomass power
Answer: Option D
A. Geothermal power
B. Tidal power
C. Wind mills
D. Biomass power
Answer: Option D
The years 1700, 1800 and 1900 were
A. Leap years
B. Not leap years
C. Famine years
D. Years of natural calamities
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