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YouTubeBBC Earth Science
What Exactly Killed The Dinosaurs? | Earth | BBC Earth Science
Since the 1980s, scientists have believed that the main culprit for the dinosaur extinction was an asteroid. It came from the far reaches of the solar system, and was the size of Mount Everest. Don't miss Earth, a story 4.5 billion years in the making. Find out where to watch 👉 https://www.bbcearth.com/shows/earth Best of Earth Science: http ...
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Extinction | Common ancestry and phylogeny | High school biology | Khan Academy
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