Yes, don't be stupid.
No, it is mechanical
The purpose of a paintball gun is to fire paintball pellets, to mark opponents in the game of paintball.
A paintball marker is a paintball gun. It is just called a marker instead of a gun.
No. The state of Ohio did not invent the paintball gun.
No, do not expose your paintball gun to water.
A paintball gun is several magnitudes stronger then a Nerf gun. A paintball travels at around 200 mph, where a Nerf gun is around 10.
No. Nothing dissolves in the process of a paintball gun firing.
11 to play at fields, 18 to buy a paintball gun.
yes. you can ship a paintball gun anywhere.
The same as every other paintball gun, louder then an airsoft gun, softer then a pellet gun.
Depends on what kind of gun you have. I would take it to the local paintball store.