Which of the following statements best describes agriculture (food production, such as herding and farming) in africa today? a. africa imports most of its food because most people work in manufacturing industries. b. africa leads the world in agricultural production, and exports extra food to other areas. c. africa has struggled with overfarming and overgrazing, making it difficult to produce enough food for its population. d. africa has a few agricultural challenges, but it can generally produce enough food for everyone.