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Researchers find decrease in crucial trace element preceded ancient mass extinction
Researchers find decrease in crucial trace element preceded ancient mass extinction,The research group collecting samples. (Photo by Ben Gill) A decline in the element molybdenum across the planet’s oceans preceded a significant

Researchers find decrease in crucial trace element preceded ancient mass extinction

The research group collecting samples. (Photo by Ben Gill) A decline in the element molybdenum across the planet’s oceans preceded a significant