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Andrews [41]
3 years ago
11

How are coal types classified?

Physics
2 answers:
rosijanka [135]3 years ago
7 0
It’s carbon and it’s heat value
photoshop1234 [79]3 years ago
3 0

Answer:

I believe its B....<u>"Carbon Content and Heat Value"</u>

Explanation:

Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite. The ranking depends on the types and amounts of carbon the coal contains and on the amount of heat energy the coal can produce.

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