jueves, 16 de abril de 2015

What´s electricity?

http://www.explainthatstuff.com/electricity.html

2 comentarios:

  1. It`s very interesting and very good for study, because this webpage show us a lot of things we don`t now. I am Inés.

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  2. this webpage is fantastic, i learn a lot of things. I am teresa

    ResponderEliminar