What must all motorcycle operators in Alabama wear at a minimum while riding?

Answer: B — DOT-approved helmet

In Alabama, the law requires all motorcycle operators to wear a DOT-approved helmet, which is designed to protect the rider’s head in the event of an accident. DOT-approved helmets meet specific safety standards set forth by the Department of Transportation, ensuring they provide adequate protection during impacts. While wearing additional protective gear such as leather jackets, gloves, and boots can add to the rider's safety and comfort, they are not mandated by law as the helmet is. The primary focus of the legislation is on head protection, as head injuries are among the most serious injuries sustained in motorcycle accidents. Therefore, the correct response emphasizes the legal requirement to wear a helmet for motorcycle operators in Alabama.