The answer is D, they are both derived from greek and latin roots
Sentence B. My mother "emigrated" from China and came to the United States uses the underlined word correctly. <u>Emigrate</u> means to leave one country to settle in another, and it implies a permanent move. On the other hand, <u>immigrate</u> is to enter and settle in a foreign country. The difference between these two words is that emigrate is the act of leaving a country and immigrate the act of entering a country.
The tone would be determined by the kind of people the author is writing for. A story for children is going to have a different tone than a graduate thesis even if they are on the same topic.
Hope that helps.
A real life bandwagon example is when its time for the super bowl and someone claims they love a team, but the reality of the situation is that they only go for that team at the moment because everyone else is. Bandwagon is when someone does something because others are doing it. For example when a trend happens many go on and follow that trend because its popular at the moment between many individuals