Question

a scientist wants to use a model to help present the results of his detailed scientific investigation. why would a model be useful? because the model makes the concepts easier to understand because the model is easy to put together and to use because the model prevents other scientists from asking questions because the model requires the audience to pay full attention to it

Explanation:

Scientific models simplify complex concepts, making them more accessible for understanding. They are not mainly about ease - of - assembly or preventing questions, and while they may engage an audience, their primary value is in concept - clarification.

Answer:

because the model makes the concepts easier to understand