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It Took Earth Ten Million Years to Recover from Greatest Mass Extinction
Link: http://www.sciencedaily.com/releases/2012/05/120527153810.htm
It took some 10 million years for Earth to recover from the greatest mass extinction of all time, latest research has revealed. Life was nearly wiped out 250 million years ago, with only 10 per cent of plants and animals surviving. It is currently much debated how life recovered from this cataclysm, whether quickly or slowly.
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