11. Benetcost analyses of the Safe Drinking Water Act and the Clean Water Act have generally shown longrun benets that exceed longrun costs in both cases? a. True b. False 12. One of the hallmarks of the 1990 Clean Air Act Amendments is its integration of marketbased policy instruments, such as the use of tradable allowances to control emissions. a. True b. False 13. Which one of the following is not an effect of increased fertilizer use? Resistant insect species Depletion of micronutrients Increased yields Increased agricultural runoff Groundwater contamination 99-9272 14. What is the main potential benet of water markets? More water is available for ecological uses Water is used for its most highly valued purpose Underground aquifers can become replenished More water is available for lowerincome households Water use is managed by a centralized agency 99-937!\" 15. What is the main reason why grain consumption in the U.S. is so high? Americans eat a lot of cereal Americans eat a lot of pasta Americans eat a lot of bread Americans eat a lot of meat Americans waste a lot of grain rip-99's