Assertion: dinosaur's extinction | /r/CreatedBy | meteorite
Facets:
Source sentences:
text: Some paleontologists think the extinction was caused by a catastrophe such as a meteorite or comet hitting the earth or a gigantic volcano erupting.
text: The extinctions at the end of the Cretaceous were caused by one or more catastrophic events, such as massive asteroid or meteorite impacts (like the Chicxulub impact), or increased volcanic activity.
text: The extinctions at the end of the Cretaceous were caused by one or more catastrophic events, such as massive asteroid or meteorite impacts (like the Chicxulub impact), or increased volcanic activity.