That depends on the laws in their location. The parents cannot consent to an illegal act.
Answer: Legally, no not unless you have a parents permission. Even if you did have a parents permission you really don't have say so in where you live.
even if they don't
If your parents give you permission. Otherwise you have to wait until you turn 18.
Sure you can even if you don't have your parent's permission as long as you'd be a responsible account owner of Facebook.
Every state has different rules about this situation. Some states allow 16 year olds to move out with a parents permission and other states do not allow anyone under 18 years old to move out even with the parents permission.
If your question is: can an adult have sex with a minor when there are laws against it, then the answer is no, even if the minor's parents give 'permission' for it. No one has the right to give another person--including their own child--permission to break a law.
Even WITH parent permission, you cannot smoke as a minor. Under 0 circumstances can a minor smoke tobacco.
If you have the permission of the parents, you certainly can. Without their permission, you have a problem. They are responsible for you and get to decide where you live.
No. As long as you are a minor, you are subject to your parents' decisions.
If you live in the US... You'd have to get your parents permission, but even then, they are still legally responsible for you.
Only if you have parental permission (even then your parents are still responsible) or you've been emancipated.
Not without her parents' permission. Even though she has a child, until she is 18, they are responsible for her.