Question

Which of the following changes cannot be reversed?

i) Blowing of a balloon

ii) Folding a paper to make a toy aeroplane

iii) Rolling a ball of dough to make roti

iv) Baking cake in an oven.​

Answer 1

Explanation:

baking cake in an oven.

can not be reversed........

thank you

Answer 2

Baking cake in an oven is the right answer