Meteorite or Volcano? New Clues to the Dinosaurs’ Demise
Twin calamities marked the end of the Cretaceous period, and scientists are presenting new evidence of which drove one of Earth’s great extinctions.
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Meteorite or Volcano? New Clues to the Dinosaurs’ Demise
Twin calamities marked the end of the Cretaceous period, and scientists are presenting new evidence of which drove one of Earth’s great extinctions.