What is a key benefit of map projections for navigation?

The primary benefit of map projections for navigation lies in their ability to maintain constant direction across the map. This property is critical for navigators, as it allows them to use the map to plot a course in a consistent direction, which is essential for navigation by compass or other directional tools. In certain projections, such as the Mercator projection, lines of latitude and longitude are represented as straight lines, facilitating the process of finding and maintaining a specific bearing.

While other options may seem relevant, they do not address the primary function of map projections in navigation. For instance, providing detailed topography can enhance a map’s usability for certain geographic tasks, but it does not directly assist with navigation. Similarly, eliminating all forms of distortion is not feasible with map projections due to the trade-offs involved; every map projection introduces some type of distortion related to area, shape, distance, or direction. Lastly, maps that only show landforms may lack essential navigation details like roads or navigational aids, which are crucial for effective travel. Thus, the ability to maintain consistent direction validates the functional role of map projections in navigation.