Choose one branch of chemistry and give the impostance of it A. In the life of people
B. In society

it is important is that it gives you a framework to work together. It provides you with a platform to take collective efforts towards improving social conditions. Most importantly, a society serves as a strong support system in life.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

10 years is the answer