Question

"Without types of changes of states of matter life is not suitable on earth" --- Justify in about 50 to 60 words.

Answer 1

Yes this statement is true.
Each and every state of matter has its own importance.
Let us take an example of water. It's liquid state is used for many works such as drinking, cooking etc. And the gaseous state is important for moisture in air. It's solid state which is ice is used in another works.
Hope it will help you!!