The major cause of eutrophication in the Chesapeake Bay is_______versus______ being the major cause in the Gulf of Mexico. A. Urbanization; Agriculture and Urbanization B. Urbanization; Transportation C. Agriculture and Urbanization; Agriculture D. Industrial; Urbanization 1 points QUESTION 21 The primary federal law regulating air pollution is ______? A. The Clean Air Act B. The National Pollution Discharges Elimination System C. The Acid Rain Act D. The Clean Water Act