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.
Not the way it looks here.
But if there's a plus or a minus sign, or even a fraction bar, in that space before the '5', then it sure is.
Quadriceps, hamstrings, biceps,and triceps. is all i can think of right now.
The answer is Social Gerontoloogy
