Deaths attributed to air pollution from the multiple coal-burning sources in England in the nineteenth century hovered around a. 10 percent. b. 25 percent. c. 35 percent. d. 45 percent. e. 55 percent. 13. Middle-class "respectability" required a. financial independence, character, and hard work. b. an education at Oxford or Cambridge. c. a household containing servants. d. owning the basis of one's wealth. e. a professional vocation. 14. What determined the division of the working class into subgroups? a. location of the workplace b. gender c. skills and the workplace d. skills, wages, and gender e. the industry worked in 15. What transportation system was an essential part of early industrial development in Britain, connecting cities to one another, as well as northern England to London? a. canals b. railroads c. steamship