In death of dinosaurs, it was all about the asteroid -- not volcanoes User SamsonFox, in the Dinosaurs: They Rock! subreddit, 17 Jan 2020
In death of dinosaurs, it was all about the asteroid -- not volcanoes User drunkles, in the Reddit Science subreddit, 17 Jan 2020
Volcanic emissions were not a cause of dinosaur extinction - research comparing volcanic emissions to current models for environmental CO2 claims the emissions and effects ended long before the asteroid impact. User 2011MC, in the Reddit Science subreddit, 17 Jan 2020