What is different between public relations and advertising?

Advertising v/s publicrelationadvertising is a way which persuades people to buy any product/services by creating awareness and highlighting the benefits of the product. Advertising shows the differentiating attribut of the product which has a relevance to the consumer and they can see benefit in it.

Public relation is a tool which is used to build image of a company. It is used to highlight the achievements of the company. It is very effective at the time of crisis. When the image of any company or organisation is tainted due to any reason then PR is used to bring the image in track and build and also to maintain the goodwill of the organisation concerned.