Why Isn't Mount Denali a Volcano?

Alaska has the most volcanoes out of all the US states, but researchers think they don't have enough. Here's the weird science behind looking for Alaska's volcanoes, and what we've learned about volcanism along the way.

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Sources:
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Image Sources
https://www.gettyimages.com/detail/video/mount-denali-at-sunset-alaska-usa-stock-footage/1360379029?adppopup=true
https://www.gettyimages.com/detail/photo/denali-alaska-usa-royalty-free-image/1132999090?phrase=denali&adppopup=true
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