Assertion: strontium 90's life | /r/HasProperty | 27 years
Facets:
Source sentences:
text: If the half-life of strontium-90 is 27 years, what fraction of the strontium-90 absorbed in 1962 asked by jessica on July 3, 2012
text: If the half-life of strontium-90 is 27 years, what fraction of the strontium-90 absorbed in 1962 asked by jessica on July 3, 2012
text: If the half-life of strontium-90 is 27 years, what fraction of the strontium-90 absorbed in 1962 asked by jessica on July 3, 2012