medium · SAT Reading & Writing
Urban planners have observed that 'mixed-use development'—buildings that combine residential, commercial, and office spaces—can significantly reduce dependence on cars by making daily necessities accessible by foot. For example, one study of a neighborhood in Portland found that residents of a new mixed-use complex drove 40% fewer miles than those in nearby single-family homes. This reduction in traffic can lead to lower carbon emissions and improved local air quality.
Which choice best describes the function of the underlined sentence as a whole?
- It concludes that residents of Portland are the most environmentally conscious people in the country.
- It provides specific data from a case study to illustrate the benefit of a particular urban design.
- It argues that single-family homes should be completely banned in all metropolitan areas.
- It proves that Portland is the only city in the world where mixed-use development is successful.
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