Scientific models can be used for a variety of different purposes. which of the following statements about scientific models is not true?
a scientific models can save money and lives.
b. scientific models allow scientists to test their predictions.
c. scientific models allow scientists to study systems that no longer exist.
d. scientific models are used rarely

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

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.