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  • What is the lowest grade of coal 2024?

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    Questioner:Sophia Baker 2023-06-07 21:15:04
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  • Noah Davis——Works at the International Seabed Authority, Lives in Kingston, Jamaica.

    Subbituminous: Subbituminous coal is black in color and dull (not shiny), and has a higher heating value than lignite. Lignite: Lignite coal, aka brown coal, is the lowest grade coal with the least concentration of carbon.Oct 23, 2017read more >>
    +119962023-06-13 21:15:04

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