Assertion: radon | /r/HasProperty | invisible
Facets:
value: for the unfamiliar
type: TRANSITIVE-OBJECT
Source sentences:
text: Radon is odorless, tasteless, and invisible.
text: For the unfamiliar, radon is an invisible gas formed naturally in the Earth’s crust.
text: Radon is an invisible radioactive gas that comes from the ground and is in every home in Canada.
text: It is invisible, colorless, and odorless.
text: Because radon is invisible, the only way to know whether you have a high level is to test for it.
text: Because radon is invisible, the only way to know whether you have a high level is to test for it.
text: Radon is a naturally occurring radioactive gas that is invisible, odorless, and tasteless.
text: Radon is a naturally occurring radioactive gas that is invisible, odorless, and tasteless.