Assertion: magma's component | /r/HasProperty | water vapor
Facets:
Source sentences:
text: The principal components of volcanic gases are water vapor (H 2 O), carbon dioxide (CO 2 ), sulfur either as sulfur dioxide (SO 2 ) (high-temperature volcanic gases) or hydrogen sulfide (H 2 S) (low-temperature volcanic gases), nitrogen, argon, helium, neon, methane, carbon monoxide and hydrogen.