BB guns (Not Pellet guns) are used for simple short range target shooting called "Plinking" They are also used for basic firearms training. They are not hunting weapons and rarely get above 600 Feet per second. Pellet rifles can exceed 1200 Feet per second and some can be used for hunting.
Manufacture names of BB guns: Gamo, Crosman, Umarex, Daisy and others To see the names used on BB guns See the link below
America.
No, bb guns shoot smaller, metal pellets and can cause serious injury if used on people. Only use air soft purposed guns.
You Can't. Good BB guns cost. You might find some used ones on Craigslist.
No. Some BB guns use a magnet to hold the BB in place until it is fired
BB guns can be used to learn the basics of marksmanship, and the safe handling of guns. They have been used by the US military to teach "point" shooting, and can be used in places where actual firearms cannot be.
BB guns are legal in California
The original BB guns used Ball Bearings for shot. The name was shortened to BB. Now you know.
A regular BB gun can not shoot air-soft pellets. BB guns shoot a .175 BB. Air guns shoot a much larger 6MM BB.
There are bio degradable bb's for Airsoft guns but not for real BB guns.
If used incorrectly, yes, they can be very dangerous.
BB guns are legal in all states. However some local laws have different restrictions on the use of BB guns.