تماشای ویدئو Water Liquid Awesome Crash Course Biology #2 از آی-ویدئو

Hank teaches us why water is one of the most fascinating and important substances in the universe. Follow SciShow on Twitter: http://www.twitter.com/scishow Like SciShow on Facebook: http://www.facebook.com/scishow Review: Re-watch = 00:00 Introduction = 00:42 Molecular structure
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