I would say feelings of worthlessness. You can't really see it on their body, but they can tell you if they choose to, so that makes it hidden in my opinion.
I hope that helps!
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.
Answer: A. Regular participation in physical activity reduces the risk of developing various diseases.