Rank of coals (from lowest to the highest):

Peat, Lignite, Bituminous, Anthracite

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Lignite, Bituminous, Anthracite, Peat

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Bituminous, Anthracite, Peat, Lignite

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Bituminous, Lignite, Anthracite, Peat

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Solution

The correct option is A Peat, Lignite, Bituminous, Anthracite
Based on composition and properties, coals are assigned to a rank progression that corresponds to their level of organic metamorphism. The basic rank progression is Peat, Lignite, Bituminous, Anthracite.

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Similar questions

Which of the following is/are a type of coal?

1. Anthracite
2. Bituminous
3. Sub-bituminous
4. Peat
5. Lignite

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