Assertion: strontium 90's life | /r/HasProperty | approximately 31 years
Facets:
Source sentences:
text: The half-life of radioactive strontium-90 is approximately 31 years.
text: The half-life of radioactive strontium-90 is approximately 31 years.
text: The half-life of radioactive strontium-90 is approximately 31 years.
text: The half-life of radioactive strontium-90 is approximately 31 years.
text: The half-life of radioactive strontium-90 is approximately 31 years.
text: The half-life of radioactive strontium-90 is approximately 31 years.