Concept:Man-made features are artificial structures placed on a map by human activity, and the correct option is the one not shown on the mapped area.Explanation:The mapped area clearly shows settlements, roads, and bridges where roads cross rivers or streams.These three features appear on the map as man-made structures.However, no dam or artificial lake or reservoir that would indicate a dam is visible on the map.Therefore, dams are not found among the man-made features shown in the mapped area.Answer:A. dams