Urban development is the social, cultural, economic and physical development of cities, as well as the underlying causes of these processes.Cities and their development is a central topic in human geography, and the study of cities makes up the sub-discipline of city geography or urbanism.However, it is not competely clear which social processes can be defined as urban.Urban lifestyles, practices and structures, urban culture and infrastructure for example, spread to other groups that do not live in what we traditionally call cities.owever, it is not competely clear which social processes can be defined as urban. Urban lifestyles, practices and structures, urban culture and infrastructure for example, spread to other groups that do not live in what we traditionally call cities.
MEK is used as a solvent in vinyl films, paint removers, lacquers, varnishes, adhesives and cleaning fluids. It is also used in the synthetic rubber industry and in the production of paraffin wax, magnetic tapes and lubricating oil.
Where It's Found. Potassium benzoate is typically added to packaged foods, so look to the more processed aspects of your diet to find it. It's used to preserve carbonated soft drinks, cider, juices, jams, syrups and pickled foods.