#10 coal
#9 carbon
#8 charcoal
#7 carbon nanotube
#6 carbon monoxide
#5 carbon dioxide
#4 diamond
#3 organic compounds
#2 cyclohexanehexone
#1 inorganic compounds
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#10 coal
#9 carbon
#8 charcoal
#7 carbon nanotube
#6 carbon monoxide
#5 carbon dioxide
#4 diamond
#3 organic compounds
#2 cyclohexanehexone
#1 inorganic compounds