Which sequence correctly shows an increase in coal rank from lowest to highest?
A) anthracite,bituminous,lignite
B) lignite,bituminous,anthracite
C) bituminous,lignite,anthracite
D) bituminous,anthracite,lignite

Question

Quizplus · Accepted Answer

Coal rank refers to the level of transformation that occurred in the coal due to increased pressure and heat over time. Lignite is the lowest rank coal, followed by bituminous, and then anthracite is the highest rank coal. Option B shows the correct sequence from lowest to highest rank coal.

Which Sequence Correctly Shows an Increase in Coal Rank from Lowest