When a person askes a question there will be two answers given by the other users u can thank them if u feel anyone's answer as inappropriate u can report that and give the reason then moderators will delete that answer if u feel someone's answer as really good there will be option beside the thanks then its the mark for brainliest answer u can mark that Read more on Brainly.in - https://brainly.in/question/289776#readmore
