Write a short note on coal.
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Answered by
56
coal was formed around 3 million years ago. The vegetation present at the lower hills was covered by the layers of soil one after other due to natural calamities like flood. Due to great pressure , the vegetation turned into coal.
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Answered by
27
Coal is a combustible fuel or brownish-black sedimentary rock usually found in rock strata layer or veins called coal beds or coal seams. Throughout the history coal has been used an a fuel for different uses such as burning of fire and for the production of electricity.
Coal is extracted from the ground of coal mining.
Coal is extracted from the ground of coal mining.
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