Assertion: radon's life | /r/HasProperty | long half=
Facets:
value: relatively
type: DEGREE
Source sentences:
text: Radon is an inert noble gas which is constantly exhaled and has a relatively long half=life (3.8 days).
text: Radon is an inert noble gas which is constantly exhaled and has a relatively long half=life (3.8 days).