Environment & Ecology · Environment
Arrange the following in increasing rank of coal (based on carbon content): A. Lignite B. Anthracite C. Bituminous D. Peat
- 1A → C → D → B
- 2D → C → A → B
- 3A → D → C → B
- 4D → A → C → B✓
Correct answer
D → A → C → B
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