Question

State a change which is desirable as well as undesirable.Give reason.​

Answer 1

Answer: burning of fuel is desirable when used for heating of cooking but burning is undesirable when a house a factory is burnt in fire. burning of wood is desirable when needed for cooking but burning of wood is undesirable when it causes pollution.

Answer 2

Explanation:

The changes that we want to take place are desirable changes. For living beings such changes are beneficial.like :Germination of seeds,Change in season

The changes that we would not want to occur are non-desirable or undesirable changes. like: Rusting of iron,Global warming