According to the insurance institute for highway safety, neck strains and sprains are the most serious injury reported in of auto insurance claims.

30 to 40%

Explanation:

Injury refers to as as is damage to the body that is caused by external force,either by weapons accidents, or hit. It is recorded that 39-40% of neck strains are recorded by Insurance Institute for Highway Safety.

Insurance Institute for Highway Safety is one of the nonprofit organization in United States. It was funded in the year 1959 by auto insurance companies, with there headquartered located in the city of Arlington, Virginia.

One of it's major role is to bring about the reduction in the number of motor vehicle traffic collisions that occurs across the States, and also reduce the injuries rates among individual which can lead to drastic reduction in the amount of property damage in the crashes everyday

. It also investigate and research on design of road to give out ratings for vehicle that is used for passangers also research certain products that is utilized by consumer.

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;