Assertion: seawater's concentration | /r/Causes | grave harm
Facets:
value: to important marine ecosystems
type: TRANSITIVE-OBJECT
Source sentences:
text: 2 concentrations, is already having an effect at current concentrations, and is likely to cause grave harm to important marine ecosystems as CO
text: concentrations, is already having an effect at current concentrations, and is likely to cause grave harm to important marine ecosystems as concentrations reach 450 [parts-per-million (ppm)] and above; ...