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Renewable sources of energy
Non-renewable sources of energy
Neither renewable nor non-renewable sources of energy
None of these option
Biomass
Solar energy
Coal
Wind
Uranium
Thorium
Air
Fossil fuels
as it burns with releasing smoke
as it burns without releasing smoke
as it burns without oxygen
Methane
Hydrochloric acid
Venus
Pluto
Sun
Moon
depends on the tower height
depends on wind velocity
does not depend on wind velocity
depends on the trees surrounding it
White house effect
Red house effect
Blackhouse effect
Greenhouse effect
Exhaustible
Inexhaustible
Neither exhaustible nor inexhaustible
Too expensive
Fuel gas
Ethane gas
Gobar gas
Petroleum gas