No! not even a 21 can not even a 40 can. Only rifles and that's a lot of paperwork. But some people sell them illegally, but if you get caught your done for it
Follow all applicabe laws where you live.
Not legally untill your 18.
As long as you have someone over the age of 18 supervising or is playing with you.
you call a 16 year old girl a 16 year old girl
If charged as an adult, 1-5 years.
it depends on if its a 16 year old boy or 16 year old girl
Not without the permission of the parents of the 16 year old.
The 16 year old has to have parental consent.
No
it is not illegal for a 16 year old and a twenty year old to be together in England
Probably the 16 year old, depending on how much he/she has learned. The 5 year old may be more intelligent, or notices things the 16 year old doesn't though. Remember, the 16 year old has had 11 more years to learn.
It is illegal for a 16 year old to date a 28 year old man!