Which one of the following lists four type of coal, arranged in the increasing order of their carbon content?

Which one of the following lists four type of coal, arranged in the increasing order of their carbon content? Correct Answer Peat, Lignite, Bituminous, Anthracite

Four type of coal, arranged in the increasing order of their carbon content are Peat, Lignite, Bituminous and Anthracite.
Bissoy MCQ

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