Assertion: boron | /r/HasProperty | combined with oxygen
Facets:
value: most often
type: DEGREE
value: in compounds
type: OTHER
value: in the environment
type: LOCATION
Source sentences:
text: In the environment, boron is combined with oxygen and other elements in compounds called borates.
text: It is most often combined with oxygen in compounds called borates (e.g., boric acid, borax, boron oxide).
text: It is combined with oxygen and other elements in compounds called borates.