Concept:On a flow-line map, every complete line represents a fixed number of people. To compare the passenger traffic on two routes, count the extra lines and multiply by the given scale.Explanation:The route from IZABU to Anikpu has one more line than the route from IZABU to Ugba. The scale states that 1 line represents 1,500 persons. So, the extra line means 1×1,500=1,500 more persons. Therefore, the traffic between IZABU and Anikpu is greater than the traffic between IZABU and Ugba by 1,500 persons.Answer:B. 1,500 persons
