Link of urban sprawl

This is three questions about ow to know and how to make completed talking about urban sprawl. We can do these questions in check all of material before make a quessionnaire. Please look at these and give me suggest response to correct and make better of material. Before done, I say thanks a lot.

1. Is there social change because urban sprawl? (eg: education, safety, neighbourhood, park, distance to office and school, traffic jump, health, service, population density, etc).
2. is there economic change impact of urban sprawl? (eg: salary, price of basic need, gap between poor and rich, absolut poverty, no job, sum of public facility entreppreneur, etc).
3. is there physical change because grow up of urban sprawl? (eg: landslide, erosion, flood, higher temperature, decrease of vegetation, land use own parcel smaller, air, water and land pollution, etc).

thanks

Mochamad Rosul