Assertion: radon | /r/HasProperty | a health hazard
Facets:
value: really
type: DEGREE
Source sentences:
text: Because radon is known to be a health hazard, underground mines now have features to lower levels.
text: Radon is a health risk, as it is not detectable and does not cause noticeable symptoms until its transformation into lung cancer.
text: It is also the only gas that contains radioactive isotopes and is considered a health hazard.
text: Most people have heard about radon being a health hazard.
text: If radon is a health hazard, what are the symptoms?
text: It is one of the heaviest gases and is considered to be a health hazard.
text: Is radon really a health risk?