answer:Water quality varies from region to region. It influences the taste of drinks. Period. In the case of fountain drinks proportions of syrup to carbonated water are easily skewed. Some drinks are packaged in glass, aluminum, and plastic??? Some drinks are sweetened with corn syrup or with the brighter tasting sugar. Coca Cola’s official stance is that it’s flagship product tastes exactly the same, all the time, everywhere, period. We all know this is impossible.