What is the primary purpose of seat belts in a vehicle?

Answer: C — To reduce the risk of injury or death in an accident

The primary purpose of seat belts in a vehicle is to reduce the risk of injury or death in the event of an accident. Seat belts are designed to secure the occupants of a vehicle firmly in their seats, preventing them from being thrown forward or ejected from the vehicle during a crash. By restraining the occupants, seat belts help minimize the impact force on the body, significantly lowering the likelihood of severe injuries such as head trauma or spinal injuries. While other factors such as passenger comfort and legal compliance are relevant to the use of seat belts, they are secondary to the fundamental safety function that seat belts serve. The primary role is focused on protecting lives and enhancing safety, which is supported by extensive research and statistics demonstrating that wearing seat belts can dramatically improve the chances of surviving an accident.