Answer:
I am pretty positive its the last one, "How computer viruses can be prevented"
Explanation:
Computer Viruses are the problem, and how they can be prevented is the solution
Persuasion is defined as the act of trying to convince someone of something, or the means of convincing someone to do something. When someone lists all the reasons why you should do something, this is an example of persuasion.
Answer:
The old time is beautiful which is now vanished.
Explanation:
This quote means that there was a beautiful time when there is no advance technology of communication. People send messages through letters and there is a post office in each village and city. We wait for the reply of the letter curiously but that beautiful time is replaced by technology which do our too fast but the love and curiosity present in old times are lost due to these technology. Due to daily interaction of people with each other through advance technology, the love and happiness of meeting friends and relatives after a long time also vanished.
I can't think of four things but I was always taught to always cite everything. Even if you think something is an original idea or phrase, look it up and make sure and if someone else has said that just put it in your work cited because that could be considered plagiarism. Also always cite direct quotes