Which of the following changes CANNOT be reversed?

PYQ SSC JE (Junior Engineer) 2021

1. A.

   Stretching a rubber band and returning it to its normal size

2. B.

   Blowing a balloon to increase its size till it is about to burst

3. C.

   Rolling a roti from dough and baking it on a tawa

4. D.

   Changing wet clothes to dry clothes

Attempted by 1 students.