Assertion: smoke's carbon dioxide | /r/HasProperty | co
Facets:
Source sentences:
text: CO is produced when a carbon-containing material, such as wood, is burned and there isn’t enough oxygen present to completely transform into carbon dioxide (CO 2 ).
text: Liquid carbon dioxide (CO 2 ), stored in compressed cylinders, is used in conjunction with theatrical fog machines to produce "low-lying" fog effects.