Assertion: comet's period | /r/HasProperty | preceded by rapid release of carbon
Facets:
value: into the atmosphere
type: TRANSITIVE-OBJECT
value: with effects
type: OTHER
Source sentences:
text: The period of warmth, called the Paleocene-Eocene Thermal Maximum (PETM), was preceded by a rapid release of carbon into the atmosphere, with effects lasting for about 200,000 years.