1). What are some of the causes of urban sprawl?

Question

2). What are some of the effects of urban sprawl?

3). What happens when metropolitan areas spread farther and farther out?

4). What are some of the negative effects of urban sprawl?

My answers to these questions are the following:
1). Some causes of urban sprawl are unrestricted growth, the widespread use of automobiles, and the building of expressways.

2). & (6) . Some of the effects (or negative effects) of urban sprawl are more commuter traffic strains of the infrastructure, air pollution, high costs, separation of the classes of people, and sources of water, such as rivers or underground aquifers to become depleted.

3). When metropolitan areas spread farther and farther out, these areas become more difficult to manage.

Answer 1

*2). & 4).

Answer 2

Right.