Assertion: sulfur's form | /r/HasProperty | sulfide
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Some inorganic forms of reduced sulfur, mainly sulfide (H 2 S/HS−) and elemental sulfur (S0), can be oxidized by chemolithotrophic sulfur-oxidizing prokaryotes, usually coupled to the reduction of oxygen (O 2 ) or nitrate (NO 3 −).