Alternative energy

we need alternative energy because we are running out of fossils

solar energy is free
sun gives us energy to live
this is energy from the earth
lava is geothermal energy
wind blows these so they will go round and round
wind blows the things on it and they fly away
this is hydroelectric energy
water splashing against something is called hydroelectric energy
biomass is stuff thats created by plants animals and even humans
biomass is created by plants

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