Assertion: mercury's form | /r/AtLocation | the environment
Facets:
value: naturally
type: MANNER
value: most commonly
type: DEGREE
Source sentences:
text: The form most commonly found in the environment is methylmercury.
text: Several forms of mercury exist naturally in the environment, the most common being metallic mercury, mercuric sulphide, mercuric chloride, and methylmercury.
text: Several forms of mercury occur naturally in the environment.
text: The most common natural forms of mercury found in the environment are metallic mercury, mercuric sulfide (cinnabar ore), mercuric chloride, and methylmercury.