What is the purpose of convex curved mirrors in trucks?

Answer: B — To show a wider area than flat mirrors.

Convex curved mirrors are specifically designed to show a wider area than flat mirrors. This is crucial for truck drivers, as these mirrors allow them to see more of their surroundings, including areas that would typically be in a blind spot with conventional flat mirrors. The wider field of view helps drivers become more aware of nearby vehicles, pedestrians, and obstacles, enhancing safety when making turns, changing lanes, or maneuvering in tight spaces. The curvature of the mirror effectively expands the visible area, which contributes to better decision-making and reduced risk of collisions. Flat mirrors, while useful for providing a more accurate representation of distance, do not offer the same expansive view, which is why convex mirrors are favored in commercial driving scenarios where awareness of the environment is vital.