Geology · Coal Formation and Coalification
Arrange the following process stages of coal development sequentially from lower grade to higher grade: A. Dehydration B. Peatification C. Bituminization D. Debituminization E. Graphitization
- 1A, B, C, D, E
- 2B, A, C, D, E✓
- 3A, B, D, C, E
- 4B, A, D, C, E
Correct answer
B, A, C, D, E
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