Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable.
Some well known alternative fuels include biodiesel, bioalcohol (methanol, ethanol, butanol), chemically stored electricity (batteries and fuel cells), hydrogen, non-fossil methane, non-fossil natural gas, vegetable oil,and other biomass sources.
what is a detailed description of geothermal energy?
how is it generated?
Where does the energy come from?
what are advantages of geothermal energy?
what are disadvantages of fossil fuels?
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