Answer:
The ball cant roll because the rough surface blocks the movement.
The rough surface will make it eventually slow down and stop.
I believe it is to avoid soical problems and to prevent the spread of communicable diseases
Well depending on the disability. If they have down syndrome there physical appearance
is, a flat face, upward slant on the nose<span>, and more. others may have speech problems, physical problems, and mental problems to where they are not able to talk, walk, or in bad cases they are just brain dead </span>
