línea de tiempo sobre la tecnología

http://image.slidesharecdn.com/lneadetiemposobrelatecnologa10-b-160306015513/95/lnea-de-tiempo-sobre-la-tecnologa-10-b-1-638.jpg?cb=1457229397
http://image.slidesharecdn.com/lneadetiemposobrelatecnologa10-b-160306015513/95/lnea-de-tiempo-sobre-la-tecnologa-10-b-2-638.jpg?cb=1457229397
http://image.slidesharecdn.com/lneadetiemposobrelatecnologa10-b-160306015513/95/lnea-de-tiempo-sobre-la-tecnologa-10-b-3-638.jpg?cb=1457229397
http://image.slidesharecdn.com/lneadetiemposobrelatecnologa10-b-160306015513/95/lnea-de-tiempo-sobre-la-tecnologa-10-b-4-638.jpg?cb=1457229397

ventajas y desventajas de la tecnología

http://image.slidesharecdn.com/10bemilyydiana-160306015726/95/10b-emily-y-diana-1-638.jpg?cb=1457229514
http://image.slidesharecdn.com/10bemilyydiana-160306015726/95/10b-emily-y-diana-2-638.jpg?cb=1457229514
http://image.slidesharecdn.com/10bemilyydiana-160306015726/95/10b-emily-y-diana-3-638.jpg?cb=1457229514