Junk food refers to food that can be prepared and served very quickly, usually within a few minutes. The main characteristics of junk food include mass production of food, heat processing or partial cooking, prepackaging, and great emphasis on speed of service. In general, the junk food industry refers to chains and franchises specializing in this kind of food. Some examples of junk f... https://www.newsanalyticspro.com/fast-food-market-share-size-analysis-growth-and-trend-forecast/