Multiple choice

Which of the following is regarded as the best variety of coal ?

  1. Bituminous

  2. Peat

  3. Lignite

  4. Anthracite

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Anthracite is considered the best variety of coal because it has the highest carbon content, burns with the least smoke, and provides the most heat energy per unit of mass.