Depends on a number of variables.. thickness of the chassis, material the chassis is made from, quality of those materials, etc.
The density will change if the amount of matter in the same volume changes. You can have more matter wihtout changing the density, if the matter occupies more space.
Impossible unless you hack.
no
Long Periods
the person that decided to skydive wihtout a parachute...
Can't be answered wihtout knowing what type of "gun" you mean.
It cant put a fruit pastille in it's mouth wihtout chewing it.
No way to answer wihtout the serial number.
wihtout the habitat the bird would die
It is possible as long as you take in enough protein and nutrients to grow.
Everything will be in motion wihtout no control.
yessss ofcourse how did he become a super star wihtout knowing anything !!!?!?!