8
Q:
| A) Lignite | B) Bituminous |
| C) Anthracite | D) Peat |
Answer: D) Peat
Explanation:
Explanation:
The first of the four stages of coal formation is lignite coal.
There are four stages of coal formation:
1. Peat,
2. Lignite,
3. Bituminous and
4. Anthracite.
The bacteria has removed a large portion of the other constituents of the plant matter and left around 25 to 34 percent.
Aptitude and Reasoning
General Knowledge
Puzzles
Interviews
Technical
Certifications
Exams
Job
Roles
True or False
Exams