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Earth's massive extinction: The story gets wors |
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Earth's massive extinction: The story gets worse | e! Science News  Scientists have uncovered a lot about Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. Now, they have discovered a new culprit likely invCommentsYou need to be a member of CKA and be logged into the site, to comment on news. |
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