Social Sciences, asked by gotopapunagmailcom, 1 year ago

name of three grades of coal​

Answers

Answered by ahkk1986
3

Answer:

Coals are classified into three main ranks, or types: lignite, bituminous coal, and anthracite. These classifications are based on the amount of carbon, oxygen, and hydrogen present in the coal.

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Answered by sunny176127
2

Answer:

three grades of coal are

  1. lignite
  2. Bituminous
  3. anthracite

i hope it will help you

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