First one to answer gets a and 10 points . Please answer in a paragraph

What are the environmental impacts of population on: air pollution in urban areas, land degradation from urban sprawl, deforestation , and desertification in less-developed countries?

Although some would argue that urban sprawl has its benefits, such as creating local economic growth, urban sprawl has many negative consequences for residents and the environment, such as higher water and air pollution, increased traffic fatalities and jams, loss of agricultural capacity, increased car dependency

Explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."