Science, asked by rajmudharajla, 1 year ago

Write a short note on coal.

Answers

Answered by HridayAgrawal
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 disharana
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.
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