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  • Grupo privado
    activa hace 2 años, 4 meses

    And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad […]

    Grupo privado  / 1 member
  • Grupo privado
    activa hace 2 años, 4 meses

    John investigates the dawn of human civilization. He looks into how people gave up hunting and gathering to become agriculturalists, and how that change has influenced the world we live in today.

    Grupo privado  / 1 member

Eduardo Torres

Foto del perfil de Eduardo Torres

@eduardotorres

activo hace 1 año, 6 meses