Assertion: sulfur hexafluoride | /r/HasProperty | long-lived
Facets:
value: extremely
type: DEGREE
Source sentences:
text: Sulfur hexafluoride is inert in the troposphere and stratosphere and is extremely long-lived, with an estimated atmospheric lifetime of 800–3,200 years.
text: Sulfur hexafluoride is also extremely long-lived.
text: Sulfur hexafluoride is also extremely long-lived.