Why is suburban sprawl tightly linked with environmental problems caused by transportation?
A. Commuters who live in suburbs are dependent on mass transit systems that emit air pollution.
B. Commuters who live in suburbs are more likely to walk and suffer from air pollution.
C. Commuters who live in suburbs are dependent on automobiles that emit air pollution.
D. Commuters who live in suburbs are dependent on mass transit systems that add to water pollution.
C. Commuters who live in suburbs are dependent on automobiles that emit air pollution.
Suburban sprawl typically leads to longer commuting distances, which in turn leads to increased reliance on cars for transportation. This results in higher levels of air pollution from vehicle emissions, contributing to environmental problems such as smog and greenhouse gas emissions.