Question

classify into desirable and non desirable changes :

1.spoiling of food
2. digestion of food
3. rotting of an egg
4. decay of a dead animal in open air​

Answer 1

1.non

2.d

3.non

4.non

Answer 2

Spoiling of food is undesirable change.

Digestion of food is desirable change.

Rotting of an egg is undesirable change.

Decaying of a dead animal in open air is undesirable change but it happens because decaying of animal is very much necessary to clean the environment but not in open because this lead to spread of diseases bad smell and many more things.

I hope my answer will help you.