Sketchbook Update 24- African art

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 Sketchbook Update 23




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Renewable Energy sources

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 Post 21 Renewable Energy sources Renewable energy Energy taken from the natural resources that are renewed at a higher rate than they are consumed.   The common renewable energy sources are 1. Sun - Sun light will be converted to electricity by using photovoltaic cells. 2. Wind- Wind force will be converted to electricity with the help of rotating wind turbines. 3. Hydro Energy- Hydro potential energy will be converted to kinetic energy and that energy will be converted to  electricity by using dynamos.  4. Geo thermal energy - Heat energy of the earth's center core will be converted to electricity by sing geothermal plants.   5. Sea waves ( vibration) These Renewable sources will not affect the environment by emitting harmful gases like methane, carbon dioxide, Nitrous oxide. Converting an energy to another energy is not an easy task. We need to build huge power plants plants, need massive place, manpower and  funds every thing at starting...
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