Assertion: seawater's concentration | /r/CapableOf | rise to between 413 and 750 ppmv
Facets:
value: by 2100
type: TEMPORAL
Source sentences:
text: In 2010 the average concentration was 390 ppmv, and climatologists expect the concentration to rise to between 413 and 750 ppmv by 2100, depending on the level of greenhouse gas emissions.