Where Did They Go

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

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

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