Answer:
Usually when someone answers a question there would be an option to mark the brainliest. However, you only get one every like 24 hrs so if you already gave someone brainliest you can't give it to someone else for a while
Explanation:
Blind Carbon Copy
For emails. It is used to send a copy of the email to somebody without the original person receiving it knowing that you sent a copy.
Paragraphs are usually separated by blank space.
Hope this is what you were looking for :)
