Assertion: radon's life | /r/HasProperty | four days
Facets:
Source sentences:
text: Owing to its very short half-life (four days for 222Rn), radon concentration decreases very quickly when the distance from the production area increases.
text: Due to its very small half-life (four days for 222Rn), its concentration decreases very quickly when the distance from the production area increases.
text: Owing to its very short half-life (four days for 222Rn), radon concentration decreases very quickly when the distance from the production area increases.