Question

difine three parts of coal

difine it briefly​

Answer 1

Answer:

Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite.

Answer 2

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★ Explanation ★

• Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite

• Briefly means for a short amount of time. It can also mean concisely or in a few words, as opposed to in a longer manner, as in State your main argument briefly in a sentence or two. Briefly is the adverb form of the adjective brief, which most commonly means lasting a short time or concise.