jueves, 16 de marzo de 2017

Energy sources


Energy sourcer
Energy sources are natural resources that we can use for generate different forms of energy and we can transform that energy for various purposes. We can classify into two general categories:



↠ NON-RENEWABLE ENERGY SOURCES.




They come from natural resources that are limite and can be exhausted, and it would take million years to regenerate. They are the most commonly used energy sources. They include fossil fuels and nuclear energy, which uses radioactive materials, such as uranium.









↠ RENEWABLE ENERGY SOURCES.
They come from natural resources that we cannot use up completely. They include hydroelectric, solar, marine, geotermal and biomass resources, as well as energy that we can produce from solid urban waste.




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