shmitt shmitt
  • 22-01-2019
  • Biology
contestada

What is coal composed of?

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campbell334
campbell334 campbell334
  • 22-01-2019
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Hope this helps.
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lilblakey69
lilblakey69 lilblakey69
  • 22-01-2019

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.

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