What caused the Earth’s first mass extinction?

Press/Media: Expert Comment

Period	Nov 1 2021

Media coverage

Title	What caused the Earth’s first mass extinction?
Media name/outlet	Cosmos Magazine
Country/Territory	Australia
Date	11/1/21
URL	ct.moreover.com/?a=46237080849&p=1gw&v=1&x=Bp55tOxVGBC3g8vCimFu8w
Persons	Zunli Lu