The law, and the fact that everyone else in the world says this. Read this article: http://en.wikipedia.org/wiki/Age_of_majority
We selected 18 for the age of majority.
At 18, you are considered a legal adult and emancipated from your parents. you are free to do as you like. no your an adult they can't say a word your eighteen
an adult
At eighteen, you are an adult! Yes you can move out.
Yes
yes, eighteen
At eighteen.
Eighteen is dix-huit in French.
Skin.
yes they can because they are legall an adult.
A grown up or a adult.
Eighteen Hundreds is the proper way to say it.
yes eighteen year old children are considered adults and are able to do what they want outside of their parents household.