1.

Which of the following is in descending order of the quality of coal?

A.  Peat > bituminous > lignite > anthracite
B.  Bituminous > peat > lignite > anthracite
C.  Anthracite > bituminous > lignite > peat
D.  Lignite > anthracite > bituminous > peat
Answer» D.  Lignite > anthracite > bituminous > peat


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