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aOH to 20 b) 20H, to 20.000HC) 20Heto 2.000H d)1,000Hz to 2.000H5. The highest grade coal isa) Bituminous b) Peatc) Lignite d) Anthracite

Answer»

lignite is a highest grade of coal

Option DIt hasthe highestcarbon content, the fewest impurities, andthe highestenergy density of all types ofcoaland isthe highestranking of coals. Anthracite isthe mostmetamorphosed type ofcoal(but still represents low-grademetamorphism), in which the carbon content is between 92% and 98%.

Here's your answer :

The correct answer is D.

Hope this helps you. .THANK YOU. .

the answer is d)



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