What is the purpose of paragraph 3?A.to describe daily life in Chicago in the nineteenth centuryB.to show that living in Chicago had benefits and detrimentsC.to explain why Chicago sat at a low elevationD.to explain the causes behind Chicago's health problem

One in 4 U.S. adults – 61 million Americans – have a disability that impacts major life activities, according to a report in CDC’s Morbidity and Mortality Weekly Report. The most common disability type, mobility, affects 1 in 7 adults. With age, disability becomes more common, affecting about 2 in 5 adults age 65 and older.

Explanation:

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