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Greatest mass extinction driven by acidic oceans, study finds

2015-04-09 12:00:00| LifeSciencesWorld

[NEWS]  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, researchers say. This ch…

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