Assertion: mass extinction | /r/HasAspect | major effects
Facets:
value: on atmosphere
type: LOCATION
value: on earth's ecology
type: TRANSITIVE-OBJECT
value: on waters
type: LOCATION
value: in turn
type: OTHER
value: on land surface
type: LOCATION
Source sentences:
text: Mass extinctions had a variety of causes including volcanic activity, climate change, and changes in oceanic and atmospheric chemistry, and they in turn had major effects on Earth's ecology, atmosphere, land surface and waters.