C. On average they tend to die about 10 years earlier
Answer:
driving a car
wearing a seatbelt
wearing a helmet
Explanation:
Driving a car, wearing your seatbelts and a helmet are all governed by the legislature. This is because if we didn't follow those rules we would be endangering the lives of ourselves and others on the road or off it. While nobody can tell you if you need to wear or not wear a bikini or sunscreen. At least not currently.
Parents make unwise financial decisions.
The contact hypothesis is a theory in psychology which suggests that prejudice and conflict between groups can be reduced if members of the groups interact with each other.