Answer:
According to the urban realms model, urban areas
comprise several edge cities with independent business cores
Step-by-step explanation:
By the 1970s, the growth of suburbs encouraged geographers to seek a new, more accurate model to describe the modern city. The resulting urban realms model sought to describe the relationships within and among suburban cities around the fringes of a larger urban region. This model acknowledged that many of these suburbs had progressed beyond being simply nuclei of their areas to become edge cities with independently functioning central business districts and economic activities.