Answer:
Sprawl
Step-by-step explanation:
Sprawl can be defined as the situation where an urban settlement expands into nearby country area at the edge of a city .
Factors that lead to sprawl are population and income growth, low cost of living , road network , unlimited use of auto, etc.
Urban sprawl is characterized by uncoordinated , haphazard,and poorly planned urban development. If not properly managed , these could lead to poor environmental conditions like air pollution ,ground level smog and car traffic.