Assertion: ox's life | /r/ObjectUse | used in calculation
Facets:
value: in order to maintain consistency
type: PURPOSE
Source sentences:
text: this is not exactly as originally measured by Libby; the original half life is still used in calculations in order to maintain consistency and because other effects are more important
text: this is not exactly as originally measured by Libby; the original half life is still used in calculations in order to maintain consistency and because other effects are more important Atmospheric variations: