Various methods of gaining energy – advices, good sites and disadvantages.
Today there are a lot of various ways of gaining the energy. Some of them are called the green energy. however some are constantly polluting our planet, but they are not expensive and tested. People have been providing energy for their houses, vehicles and industry from our planet natural resources like coal, other fossil fuels, gas, sun, wind, water and from artificial sources such as nuclear power plants. Every of those methods have their advantages and disadvantages.
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