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Write a short note on coal.

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asked 4 years ago in Biology by anonymous

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coal is a non renewable resource, it takes millions of years to form and gets exhausted quickly.coal is made of carbon and is buried deep inside the Earth.There are different kinds of coal available on earth. coal is also called "black diamond", as it is a precious and  a useful resource. coal is  basically used as a fuel and is also used to extract various minerals & other kinds of coal.It is used to purify petroleum & is also used in the manufacturing of certain chemicals. Its various uses make coal a very important resource.
answered 2 years ago by anonymous

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