Teenagers get all their money from jobs. I don't know if this is the answer you were looking for but I hope it helps
In the introduction but it depends where you think your thesis would make your essay more understandable.
Answer:
Constellations, including Aquarius and Orion,
are easiest to view on a clear, cloudless night.
arrowBoth (example clue)
As Zander walked through the forest, there
was a sense of foreboding, unease, and worry.(synoym clue)
arrowBoth
While Audrey had a grievance with her boss,
she also had praise and appreciation.(antonym clue)
arrowBoth
A bibliography is a list of texts referred to by
an author. (definition clue)
The best answer to the question that is being stated above would be that 'Writing is difficult.' The works of Edgar Allan Poe and Stephen King entitled 'The Philosophy of Composition' and 'On Writing', respectively, tells the main idea that you being a writer and writing is a very difficult thing to do and takes time and effort to pull off.
You should definitely not type your whole email in all capitals!
Also, you should keep you message brief, this is true: people receive a lot of emails and prefer to read them fast.
I think that the first option is correct (a): Emails don't usually have headings in the text: this would make them too long.