Question

1. The highest grade of coal is known as
peat
lignite
bituminious
anthracite​

Answer 1

Answer:

anthracite is the answer

Explanation:

I hope this will help you

Answer 2

Answer:

1. The highest grade of coal is known as :

Anthracite

The four ranks are: Anthracite: The highest rank of coal. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile matter.

Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals