Which one of the following lists four type of coal, arranged in the increasing order of their carbon content?
A
Peat, Lignite, Bituminous, Anthracite
B
Peat, Bituminous, Lignite, Anthracite
C
Lignite, Peat, Bituminous, Anthracite
D
Peat, Anthracite, Lignite, Bituminous
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.