/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: orianaaa https://cdn.slidesharecdn.com/profile-photo-orianaaa-48x48.jpg?cb=1522944122 "Lo que sabemos es una gota de agua; lo que ignoramos es el océano." Isaac Newton