It is to summarize the main point of the article.
Answer:
She is using informal language, and it is appropriate because she knows the audience
Hey there!
I don't think we should be writing your essay but I can prove you with websites on this topic with reliable information! I have done this topic before and it's quite simple!
Website One: https://www.fhwa.dot.gov/policy/2002cpr/pdf/ch14.pdf
Website Two: https://www.jjslist.com/blog/importance-of-public-transportation
I hope this helps you out!
Have a great day.
-AshNope
Aceptáis is the answer because it is in vosotros form