Why is communication necessary?

why yes it is necessary. oral communication allows you to interact with different people and make new friends. this is especially required in high school and college when you do oral reports. this is also really important for those people like me who are going to be teachers and major in such professions where you must be able to orally connect with your adience. hope i helped you out. my hand is cramping. :) :( :)!!!!!!!!!!!!!!!!!!