Question

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
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Answer 1

A - Because the model makes concepts easier to understand.

Step-by-step explanation:

A visual representation can be a great help in figuring something out. Besides, the other answers don't make much sense.

Hope this helps! (and sorry it's late ^^'' )

Answer 2

Answer: B

.

Step-by-step explanation: