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What are the types of coal?

Answer:
Peat is the youngest of all coals. This means the vegetation from which it came was buried a shorter time than that of other coals. Peat has the least heat value of all solid fuels.

Lignite is sometimes called brown coal. It's a little older than peat and has more heating value.

Bituminous coal has the highest heating value of all solid fuels.

Anthracite coal is the hardest of all coals and the oldest in nature.
First answer by ID1311303686. Last edit by Anony mouse. Contributor trust: 13 [recommend contributor recommended]. Question popularity: 3 [recommend question].

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