There aren't.
Basketballs. are round balls that are used to play on a court
28 basketballs
7 b-balls
An inflated ball typically contains air or another gas that is used to expand the ball and give it its shape. Some balls, such as soccer balls or basketballs, may also have an inner bladder that holds the air inside the outer casing.
Basketballs in the olden days were made of leather but then again they used soccer balls too!
Chuck two basketballs at their head.
spalding. I have two spalding basketballs
there are many times of ballsthere are meatballs in spaghetti, there are bouncy balls, basketballs, footballs, squash balls, tennis balls e.t.c in sport, male balls e.t.c
because of the air inside of the ball
Basketballs, Baseballs, Golf balls, some bouncy balls, a Globe, and things that carry that same shape. :)
21
Mass is how much space an object takes so the basketballs take up more space