history review lesson 50

Al-kindi desipherd frequency witch lead around the world: Al- khwarizmi is the father of algebra witch is doing math with letters like x y w and more algebra is moving through out the world and more people know so in 5th grade you learn algebra and: Dr.razi was amazing in what he did he did Surgey he would knock people out with a gas or a steam and do surgey becuse it would hurt when you do surgey and the paitent would move around in pain and the docter might cut a wrong gut or wrong limb