how coal is formed and explain briefly various types of coals
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Coal is formed by fossil fuels which are buried inside the earth for millions of years coal is used in different aspects of our daily lives lignite is the best type of the coal
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coal is formed by the decomposition of layaers if soil and other layers over the dead and decaying matter of plants. these plants were buried under the soil for millions of year. the pressure and heat in adsense of oxygen convert the plants into coal. thus they are called fossil fuel.
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