with your parents consent yes
A sixteen-year-old shouldn't marry a thirty-year-old.
In most places in the world an 16 year old can marry a 20 year old. But it will require parental permission to do so.
No.
Yes, with parental consent.
Not if the live in Norway.
Only if both your parents sign a concent form.
Sure, with parental permission.
Yes, if the minor has parental consent.
Yes he can.
In some states-depends on adult age in yours
no he has to be 18 also