What should a rider do when they encounter poor road conditions?

Answer: C — Adjust their speed and increase following distance

When a rider encounters poor road conditions, adjusting their speed and increasing following distance is the most appropriate and safest response. Poor road conditions can include factors such as wet, icy, or uneven surfaces, which can significantly affect the motorcycle's traction and stability. By reducing speed, the rider can improve their ability to react to any unexpected changes or hazards in the road. Additionally, increasing the following distance gives the rider more time to react to the actions of other vehicles and allows for a safer stopping distance in case of an emergency. Riding at a speed suited to poor conditions helps maintain control and stability, while also enhancing the rider's ability to navigate potential hazards safely. This approach emphasizes cautious and defensive riding, which is crucial for ensuring safety in challenging conditions.