Assertion: extinction | /r/CreatedBy | massive volcanic eruptions
Facets:
value: to the environment
type: TRANSITIVE-OBJECT
Source sentences:
text: These extinctions were caused by “catastrophic alterations” to the environment, such as massive volcanic eruptions, depletion of oceanic oxygen or collision with an asteroid.
text: These extinctions were caused by “catastrophic alterations” to the environment, such as massive volcanic eruptions, depletion of oceanic oxygen or collision with an asteroid.