A, Scientists need to continue studying what happens to players who get hit in the head.
The plural for baby is ..... babies
and for woman is ...... women
If the audience is very young, the primary goal is to entertain. For older people, however, there are a variety of different things the writer could be trying to accomplish, such as persuading, entertaining, and even informing. For that, you'd have to look at the content.
Hope this helps, and have a nice day!
