Think an asteroid killed the dinosaurs? Some scientists aren't so sure

Name: Think an asteroid killed the dinosaurs? Some scientists aren't so sure
Uploaded: 2018-10-07T08:13:50+00:00
Duration: 2 min 59 s
Channel: Trend Video
Description: There are a few competing theories about the dinosaurs' demise, and a few others have already been debunked.

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There are a few competing theories about the dinosaurs' demise, and a few others have already been debunked.

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