I believe that the person who is in question should make the final decision.
Should be none.
No, baptism is only necessary once.
An adult can be babtized in the Lutheran way.
You can get legal guardianship of an adult if he is mentally ill etc.
You are conciderd a mentally mature adult at the age of 18
Well, just tell an adult. They should be able to take control without any trouble.
Children should always have adult supervision when cooking.
Yes, you need to be baptized and Catholic to receive communion. If you are not baptized and are under age 8 you can be baptized with the permission of parent. If you are not baptized and are under 18 you will need to show an understanding of the sacrament before being baptized. If you are not baptized and are an adult you will need to attend classes and then be baptized and confirmed and receive communion at an Easter Vigil Mass.
Usually considered an adult mentally and physically at age two.
It can happen.
Cams should be installed by an adult, because adults tend to be more skilled than children at this kind of work. Children can be clumsy, and there is a risk of them breaking sensitive equipment such as a cam.
All Christians are baptized as the Bible commands. The question is at what point of their lives do they get baptized - as an infant, 'coming of age' or as a responsible adult. Suggest reading Acts 2:38-41.