Assertion: scarcity | /r/CapableOf | vary over time
Facets:
Source sentences:
text: Scarcity varies over time as a result of natural hydrological variability, but varies even more so as a function of prevailing economic policy, planning and management approaches.
text: Scarcity varies over time as a result of natural hydrological variability, but varies even more so as a function of prevailing economic policy, planning and management approaches.