air and gun powder are the most common.
That's what they were designed for.
Old guns DID have bullets- that is the thing that is shot from the gun. They did not have cartridges, since they used loose gunpowder and bullets, and sparks created by flint on steel to ignite the powder.
Depends on the caliber.
Gun powder or air
yes they are. machine guns are fed bullets. Gatling guns are hand cranked and have to be fed bullets at the same time. machine guns also spray bullets faster than Gatling guns.
Yes, guns shoot bullets
Gun powder is used in some small fireworks and it is also used in bullets for guns.
Gunpowder, also compressed gasses and compressed air.
There are bullets that are used in guns for hunting to shoot animals. There are bullet points that are used in writing to make it easy to find important information when reading a paper.
Yes, machine guns are much faster than Gatling guns. Gatling guns must be hand cranked and fed bullets at the same but machine guns does not have to be hand cranked. All they needs are bullets. Machine guns also fire more bullets faster than Gatling guns.
guns that kill you with bullets
Yes, machine guns are better than Gatling guns because they fire more bullets faster than Gatling guns. Gatling guns need to have bullets and have to be hand cranked at the same time but machine guns does not need to be hand cranked. Machine guns only need bullets.