Dinosaur Extinction

Dinosaur Extinction A repress of different theories have been assessed passim the course of this research to set about to reach a close as to the reason derriere the extinction of the Tyrannosaurus Rex. Although either arguments are credible, and supportive with enlightened information and data, the most deciding(prenominal) theory of all is The Alvarez asteroid Impact theory. Alvarez, a detective at the University of California, discovered a pencil thin hump of Iridium around the rocks in Gubbio, Italy. (New Scientist, 1) Iridium is an element convene in meteorites and asteroids.

In 1980 it was prove that the layer if Iridium was egress of a huge comet or meteorite that crashed into the earth sixty louvre million years ago. The normal amount of Iridium an heart-to-heart area is to have is 0.001 on an average. The layer of Iridium name in Gubbio Italy was 0.003. Thirty measure the average amount in split per million. (New Scientist, 1) The theory of the Alvarez angular states that the stre...If you want to get a wide of the mark essay, score it on our website: Orderessay

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