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22분
![](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
Disappearing Species - Season 6 Episode 21 Earth Science Show
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- 과학
What is a mass extinction? Are we in one? In this episode, i'm talking about what they are and whether or not we're a part of it.
What is a mass extinction? Are we in one? In this episode, i'm talking about what they are and whether or not we're a part of it.
22분