Dinosaur Extinction

Dinosaur Extinction A number of different theories have been assessed passim the course of this research to attempt to reach a tendency as to the reason behind the extinction of the Tyrannosaurus Rex. Although all arguments are credible, and supportive with educated information and data, the most decisive theory of all is The Alvarez Asteroid Impact theory. Alvarez, a detective at the University of California, discovered a pencil thin sack out of Iridium around the rocks in Gubbio, Italy. (New Scientist, 1) Iridium is an element collect in meteorites and asteroids.

In 1980 it was proven that the layer if Iridium was aftermath of a huge comet or meteo rite that crashed into the earth sixty cinque million years ago. The normal amount of Iridium an theatre of operations area is to have is 0.001 on an average. The layer of Iridium plunge in Gubbio Italy was 0.003. Thirty times the average amount in split per million. (New Scientist, 1) The theory of the Alvarez Asteroid states that the stre...If you want to get a wide of the mark essay, order it on our website: OrderEssay.net

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