1. PASSIVE VOICE
1.-Theinternetwas invented byTimBerners.
2.-The astronomical clockwas invented byAl-jazari.
3.-Television wasinvented byPaulNipkow.
4.-The firstcarwas invented byNicolasJosephCugnot.
5.-The camera wascreated byJosephNicéphoreNiépce.
6.- American was discovered by Cristobal Colon.
7.-Americawas conqueredby Hernan Cortez.
8.-Thesteam enginewas invented byThomasSavery.
9.-The bulbwas invented bySirJosephWilsonSwan.
10.-Llightwas invented byHumphryDavy.