Answer:
They show where quotations are from
What is it they you are trying to say.
1. he said he was an aerospace engineer
2. she says she works in the National History Museum
3. the Doctor said their son studies at university
4. the Astronaut said they are in space
5. He says he teaches physics to his friend
6. Mother says she loves the youngest girl
I’m not too sure about this can’t really give a brief answer because it’s not much detail to the question
In a way i would prefer a question because how can you get the answer without given the question or visa versa. So if it would be question the explanation would be it helps you decides who,when,what,where........
And if it would be answer it would be answer helps you can elaborate to help you know more. hope this helps. i tried my best
