Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?


Coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy because when trees die and are buried in the earth, they take decades or centuries to decompose and form coal. Whereas, if trees are cut to obtain wood, then more and more trees can be grown in due course of time.

So, if all the coal gets exhausted, it cannot be produced quickly in nature, but wood will continue to be available to us as it takes a lesser period of time to grow.

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Updated on: 10-Oct-2022

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