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Home
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It's Okay To Be Smart
/ Aired Order /
Season 2014
/ Episode 37
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Why Does the Earth Have Layers?
…or why we live on an onion made of magma.
English
General
Cast & Crew
Originally Aired
October 13, 2014
Runtime
7 minutes
Network
YouTube
Created
June 15, 2015 by
Administrator
admin
Modified
June 15, 2015 by
Administrator
admin
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