The Cretaceous ? Tertiary Boundary (K-T) Extinction

The Cretaceous ? ordinal demarcation (K-T) Extinction ABSTRACT some(prenominal) smokestack quenchings have occurred during the Earths history. The Cretaceous Tertiary Boundary (K-T) Extinction caused the loss of at least three-quarters of altogether species know at that time including the dinosaurs. The cause of this mass experimental quenching is a controversial subject among scientists but the fossil contend of its occurrence is abundant. INTRODUCTION The K-T Extinction occurred 65 jillion old age ago. Many species perished in that extinction. Today try out for this extinction offer be seen in the fossil record. Biological, botanical and geological evidence at the Cretaceous Tertiary Boundary come on that some enormous event occurred that caused mass extinction of disembarrass spirit on the Earth. Controversy about the cause of the K-T extinction exists with dickens main theories currently being in favour. wiz possible action is called Intrins ic Gradualism and believes the cause of the K-T Extinction was a slow and graduated Ear...If you want to get a full phase of the moon essay, order it on our website: OrderCustomPaper.com

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