In road accidents involving motorcycles and mopeds, one of the main causes of mortality is...

In road accidents involving motorcycles and mopeds, one of the main causes of mortality is...
A)the weight of the vehicle.
B)friction with the asphalt.
C)not wearing a helmet.Correct
Head injuries are the leading cause of death in accidents involving two-wheeled vehicles. The use of a helmet reduces the likelihood of suffering fatal injuries by 30% and increases the likelihood of suffering no injury at all by 20%.