What is one key benefit of wearing a helmet while riding a motorcycle?

Answer: C — Protects the head in case of an accident

Wearing a helmet while riding a motorcycle is crucial because it provides essential protection for the head in the event of an accident. The primary function of a helmet is to absorb impact forces and reduce the risk of severe head injuries, including concussions and traumatic brain injuries. In a crash, helmeted riders are significantly safer as studies have shown that helmets can decrease the likelihood of fatal injuries. While improving visibility or increasing speed might seem beneficial in certain contexts, they are not primary functions of a helmet. Similarly, although some riders may choose a helmet for its style, the foremost consideration should always be safety. Thus, the protective capability of a helmet during a crash is the key advantage that riders should prioritize.