A pencil eraser loses tiny pieces of rubber each time you use it.why d

1.	A pencil eraser loses tiny pieces of rubber each time you use it.why does this happen? detailed explanation
Answer» ANSWER: we rub it BECOMES SMALL because of HEAT generated

A pencil eraser loses tiny pieces of rubber each time you use it.why does this happen? detailed explanation

Answer»

we rub it BECOMES SMALL because of HEAT generated