Extinction of Dinos Theories of the Extinction of the Dinosaurs Controversy surrounds the extinction of the dinosaurs. According to leftover supposition, dinosaurs were slowly driven to extinction by environmental changes gestate to the creeping withdrawal of shallow seas from the continents at the end of the dinosaur era. Proponents of this possible action propose that dinosaurs dwindled in number and variety over some(prenominal) one million million years. An opposing hypothesis proposes that the impact of asteroid or comet caused catastrophic destruction of the environment, leading to the extinction of the dinosaurs.
Evidence to reenforcement this theory includes the discovery of a buried impact crater (thought to be the result of a bulky comet striking the earth) that is two atomic number 6 km (124 mi.) in diameter in the Yucatan Peninsula of Mexico. The spray of sprinkle was blown from the edge of the crater. The debris has been found over blown-up regions of North America. Comet enriched material from the impact’s fiery e...If you find to get a full essay, order it on our website:
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