Assertion: nitrous oxide | /r/HasProperty | emitted
Facets:
value: during agricultural and industrial activities
type: TEMPORAL
Source sentences:
text: Nitrous oxide is also emitted when fuels are burned, though how much depends on what type of fuel, and which combustion technology is used.
text: Nitrous oxide is emitted during agricultural and industrial activities, and during combustion of fossil fuels and solid waste.