Question

What is a youngest type of coal

Answer 1

Answer:

Lignite

Lignite is the youngest form of coal. It is soft and ranges in color from black to shades of brown and has very less carbon content. After millions of years, continued pressure and temperature convert lignite into sub-bituminous coal and has more carbon content than lignite.

Answer 2

Explanation:

Lignite - Sometimes called "brown coal," lignite is the youngest of the coal types, and has the lowest energy content, containing between 25 and 35 percent carbon.