Hard natural coal
Crossword Clue

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AnswerCrossword Clue
ANTHRACITEHard natural coal
FOSSILFUELCoal or natural gas
FUELSCoal and natural gas
RESOURCESCoal and natural gas
RESOURCECoal or natural gas, e.g.
depositsA natural layer of sand, rock, coal, or other material
hydrocarbona compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal
hydrocarbonsHYDROCARBON, a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal
ethyleneA flammable hydrocarbon gas of the alkene series, occurring in natural gas, coal gas, and crude oil and given off by ripening fruit. It is used in chemical synthesis, esp. in the manufacture of polyethylene