Where Did They Go

where did they go WHERE DID THEY GO? BY JOHN J. HATFIELD EARTH knowledge LAB 2234 TERM 2 INTRODUCTION The biggest mystery border the dinosaur is how did they die? For over 130 million years dinosaurs dictation the earth. Then 65 million years ago, at the send packing of the Cretaceous period, they died out. Nobody can really say what truly eliminated the species, although everyone has their very own idea.

Asteroid impac t, atmospheric changes (hot to cold), catastrophic eruptions and astronomic events (supernovas etc.). Some have ventured that early mammal inhabitation behindhand ?pushed? the dinosaurs to extinction. The most favored theory in the scientific sleep with is that of the meteor impact. As always though, knowing when is part of discovering how and why. THE evaluate OF THINGS One problem that confronted scientist was determining exactly when the Cretaceous gain run average ended and...If you want to get a full essay, enjoin it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper