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Green Theme books are fun facts books special for kids, If teach your kids amazing facts related to biomass energy, hydropower and geothermal energy with select Green Theme Books. More information @... https://goo.gl/R3SvcM
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SOLAR POWER Enough sunlight falls on the Earth's surface every hour to meet world energy demand for an whole year.
WIND POWER An average wind speed of 14 miles per hour is needed to convert wind energy into electricity
GEOTHERMAL ENERGY Volcanoes and geysers are examples of geothermal energy.
HYDRO POWER “Hydro” means “water” in Greek-so “hydro power” is made from water. Ancient Egyptians used water wheels for grinding grain.
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