Hockey
The type of air that keeps a beach ball inflated is kinetic energy.
Water polo and water volleyball are sports played with a ball in a pool.
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The material must influence the bounce of a ball: consider an inflated rubber ball versus an inflated aluminum ball. The difference might have to do with the elasticity of the material.
The sports more played in Armenia are:chess,football,volley ball,weight lifting,and gymnastics.
If it is a solid rubber ball it is not inflated. A hollow ball can be inflated. The more pressure inside, the "harder" the ball will be and the higher it will bounce. To much pressure and you risk rupturing the "rubber" bladder.
volly ball
well you can get a hallow ball no holes attach a fuse fill the hallow ball with gun powder
Me i have played basket ball while playing football
The impression I got is that it is a big hallow glass ball.
they played stool ball
net ball and sock ball