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Write a 9 pages paper on the cause of the mass extinction in k-t boundary. Moreover, the Deccan ejections started all of a sudden only before the K-T boundary. The K-T boundary extinction is the second greatest extinction event on the Earth after the one in the late Permian. The K-T boundary extinction attracted a lot of attention because the dinosaurs, pterosaurs, and marine reptiles were among the extinct. The scientists still argued on the cause of the K-T boundary extinction, but the most widely accepted hypotheses nowadays are the asteroid impact and the Deccan volcanism traps.

Extinction of (Cretaceous-Tertiary) or K-T boundary is known among the public as the dinosaurs’ extinction. This boundary is a significant historic landmark and is regarded as the Cretaceous-Tertiary (K-T) Boundary. Dinosaurs were not the only creatures among the extinct, but there were many marine reptiles, pterosaurs, and some types of plants. Insects were not significantly affected by this event and did not change much until the modern kinds of Paleocene and Eocene. Consequently, it is believed that the K-T boundary extinction eliminated the form of life on the Earth to half. It is argued that the ratio of end differs, but the most widely accepted estimation is that the extinction is over a half. Generally, the range of death is estimated between 60 and 80. The K-T boundary extinction is the second greatest extinction event on the Earth after the one in the late Permian. The K-T boundary extinction attracted a lot of attention because the dinosaurs, pterosaurs, and marine reptiles were among the extinct.

The scientists still argued on the cause of the K-T boundary extinction, but the most widely accepted hypotheses nowadays are the asteroid impact and the Deccan volcanism traps. The asteroid impact supporters argued that a giant asteroid hit the Earth and launched clouds of dust and debris into the atmosphere. consequently, sunlight was blocked and diminished plant life. The Deccan traps supporters suggested the same consequences as the asteroid impact but claimed that the cause was the Deccan traps. However, this paper discusses the most important geological conditions and hypotheses that led to this massive extinction, elucidating both accepted beliefs’ strengths and weaknesses and illustrating how the event is gradual and not a catastrophic event.

All the vast vertebrates on Earth, ashore, at the ocean, and circulating everywhere (all dinosaurs, plesiosaurs, mosasaurs, and pterosaurs) all of a sudden was terminated about 65 Ma, at the end of the Cretaceous Period.&nbsp.