1. Watch the following video on potable water treatment: https://interestingengineering.com/video/water-treatment-plants-explained Then please explain the following: а.Coagulation and flocculation; what is it and how does it work b. Sedimentation: what is

it and how does it work С.Filtration: what it is, how it works and what is it meant to do d.Disinfection: What is disinfection and please discuss the three main ways water is disinfected