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Coal (Fossil Fuel)
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Oil (Fossil Fuel)
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Natural Gas (Fossil Fuel)
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Hydroelectricity (energy from running water, like rivers)
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Wind Turbines
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Solar panels (energy from the sun)
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Geothermal energy (energy from magma underground)
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Biomass energy (energy from dead plants, like burning cut grass, corn stalks or gases from rotting garbage.)
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Nuclear energy (made from splitting atoms, but is very dangerous)
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Tidal energy (energy from incoming tides, only works twice a day, at low tide & high tide)
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Wave energy (energy from the motion of waves)
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Hydrogen (Used to launch the Space Shuttle)