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Huge and widespread volcanic eruptions triggered the end-Triassic extinction




Some 200 million years ago, an increase in atmospheric CO2 caused acidification of the oceans and global warming that killed off 76 percent of marine and terrestrial species on Earth.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/D...

Viernes, 22 de Marzo 2013
Jueves, 1 de Enero 1970
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