Assertion: nitric acid's concentration | /r/CapableOf | increase by a factor of 1.2
Facets:
value: since pre-industrial times
type: TEMPORAL
value: since n 2 o
type: TEMPORAL
Source sentences:
text: According to the 5th Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) from 2013, the concentration of N 2 O in the atmosphere has increased by a factor of 1.2 since pre-industrial times and N 2 O has become the third largest contributor to climate change.