In the article about wind power, what is the source of the negative externality? Question 20 Answer a. While wind turbines generate marginal private benefits with every unit of energy produced, the surrounding community is completely indifferent to any unintended consequences. b. While wind turbines generate marginal private benefits with every unit of energy produced, the surrounding community is bothered by the loud noise. c. While wind turbines generate marginal private benefits with every unit of energy produced, the shadow flicker creates costs for the surrounding community. d. While wind turbines generate marginal private benefits with every unit of energy produced, the surrounding community benefits from cleaner air