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Title: The mass extinction of dinosaurs and other animals at the end of the Cretaceous Post by: Yoshi on Sep 29, 2014 The mass extinction of dinosaurs and other animals at the end of the Cretaceous period is believed by most scientists to have been caused by
A) a massive asteroid or comet impact. B) a massive volcanic eruption. C) gamma radiation released from a supernova explosion. D) overhunting by expanding populations of Neolithic humans. Title: Re: The mass extinction of dinosaurs and other animals at the end of the Cretaceous Post by: GeoExp on Oct 1, 2014 Content hidden
Title: Re: The mass extinction of dinosaurs and other animals at the end of the Cretaceous Post by: Yoshi on Oct 7, 2014 Muchas gracias!
Appreciate your help tremendously :D Title: Re: The mass extinction of dinosaurs and other animals at the end of the Cretaceous Post by: GeoExp on Oct 7, 2014 :D Great!
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