Question

_________is the best variety of coal.
a.) Peat
b.) Lignite
c.) Bituminous
d.) Anthracite​

Answer 1

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Answer:

d) Anthracite is the best variety of coal

Explanation:

Anthracite which is also known as hard coal, is a hard, compact variety of coal that has a submetallic luster. 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.

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Answer 2

Answer:

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