Assertion: box turtle's lifespan | /r/HasProperty | 20–30 years
Facets:
Source sentences:
text: In its natural environment, it has a maximum lifespan of perhaps 50 years or more, and the average lifespan is 20–30 years.
text: In its natural environment, it has a maximum lifespan of perhaps 50 years or more, and the average lifespan is 20–30 years.