Assertion: nitrous oxide | /r/HasProperty | strong greenhouse gas
Facets:
value: than carbon dioxide
type: OTHER
value: very
type: DEGREE
value: per molecule
type: OTHER
Source sentences:
text: It is a strong greenhouse gas, almost 300 times more so, per molecule, than carbon dioxide) and about one thousandth as plentiful.
text: It is a very strong greenhouse gas (almost 300 times more so than carbon dioxide).