Answer:
The ball cant roll because the rough surface blocks the movement.
The rough surface will make it eventually slow down and stop.
A measure of tactile acuity defined as the smallest separation at which two points applied simultaneously to the skin can be clearly distinguished from a single point. It varies from 1 or 2 millimetres in the finger pads and tongue to more than 60 millimetres on the upper arm, upper thigh, and back.
T . When you refuse to do something its cause you know it is wrong or you dont want to do it to be like everyone else .
