_____ grade coal is one step higher in rank than bituminous coal.
A)subbituminous
B)lignite
C)anthracite
D)peat
E)slate

Question

Quizplus · Accepted Answer

Anthracite coal is one step higher in rank than bituminous coal. It has a higher carbon content and burns hotter and cleaner than bituminous coal. Subbituminous and lignite coal are lower in rank than bituminous coal, while peat and slate are not considered types of coal.

_____ Grade Coal Is One Step Higher in Rank Than