Assertion: hydrocarbon | /r/MadeOf | hydrogen and carbon atoms
Facets:
Source sentences:
text: Hydrocarbons are compounds that contain hydrogen and carbon atoms only.
text: Hydrocarbons contain only hydrogen and carbon atoms.
text: Crude oil occurs within the Earth and is a complex mixture of natural compounds composed largely of hydrocarbons containing only hydrogen and carbon atoms.
text: Hydrocarbons contain only hydrogen and carbon atoms.