Question

which is poor quality coal (anthracite,peat,lignite, bituminous)​

Answer 1

Answer:

Bituminous coal

Explanation:

Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or asphalt. It is of higher quality than lignite and Sub-bituminous coal, but of poorer quality than anthracite.

Answer 2

Answer:

Lignite is the poor quality coal because it contains 25% to 35% of carbon.