Martha has a large amount of 1.25 m h2so4 in her lab. she needs 36 grams of h2so4 for a chemical reaction she wants to perform. how many liters of solution should she use?

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.