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65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids . What most likely killed off the dinosaurs

User GFPF
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the gigant asteroid could have caused gigant tsunamis and could made most of the volcanos of the world explode

User Vadim Fedorenko
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Ive heard that the large amounts of dust hindered the sun and growth of plants
User Jonesopolis
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