Greatest mass extinction driven by acidic oceans, study finds
Edinburgh UK (SPX) Apr 10, 2015 - Changes to the Earth's oceans, caused by extreme volcanic activity, triggered the greatest extinction of all time, a study suggests. The event, which took place 252 million years ago, wiped out more than 90 per cent of marine species and more than two-thirds of the animals living on land. It happened when Earth's oceans absorbed huge amounts of carbon dioxide from volcanic eruptions, ... more
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