It depends on the model and the caliber of the Pellet gun.
I think you mean pellet gun. That is a gun that fires a small lead pellet but does not use gun powder. It uses compressed air or compressed gasses to push the pellet.
A pellet gun is not adequate for protection, and will get you arrested.
Any pellet gun should be handled like a real firearm. Yes you can be killed with a pellet gun under the right circumstances.
It all depends on the model and who made the pellet gun. I suggest that you re-post the queston with the model and make of the pellet gun to get an answer.
The Seals are shot. Without knowing the model I can't tell you how to fix it. I suggest that you go online and search for "Airgun Repair" and find a shop that can fix it for you.
No. Even if it would fit in the chamber, there is no firing pin on a pellet gun.
Nope. Pellet guns are fairly safe to use.
No. A pellet gun would use compressed air.
Use C02 to propell the pellet
The Crosman Recruit is a pellet rifle not a pellet gun. If you want to see how the rifle is assembled then see the link below for the diagram.
None. Never shoot or point a pellet gun at anyone.