6I. The school's results in Class 10 improved this year. II. The city's air quality improved this year.AStatement I is the cause and statement II is its effectBStatement II is the cause and statement I is its effectCBoth the statements I and II are independent causesDBoth the statements I and II are effects of independent causesEBoth the statements I and II are effects of some common causeView AnswerWorkspaceReportSaveMedium