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| And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the... |
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| Subido: el 30/01/12 a las 1:53 pm |
| Autor: crashcourse |
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| Duración: 12:33 |
| Valoración: 4.939157 |
| Vistas: 796660 |
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