Answer:
It is important to learn how to write formal and informal emails since emails are an important way to communicate in business and organizations.
If you ask me, I use email for work related matters, some of the emails are highly important and others are informal.
Explanation:
I believe it's D, because without "(especially the corn)" its a complete sentence that still makes sense.
To build the context of the controversy
It would take 1,000 ants to make it across because 1m = 1000cm