Question

the variety of coal which has the highest carbon content

Answer 1

Answer:

anthracite

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Answer 2

Answer:

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Explanation:

Anthracite

It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals. Anthracite is the most metamorphosed type of coal (but still represents low-grade metamorphism), in which the carbon content is between 92% and 98%.