Which writing situation is formal English appropriate?

English, formal language is used in situations that are more serious, for example when you're in a job interview or emailing your university professor. It can also be used when you're speaking to someone you don't know very well and want to make sure you sound respectful.

in night, why are wiesel and his father evacuated from the auschwitz concentration camp? a massive escape makes the nazis question the security of auschwitz. they are assigned to work as laborers in a factory at another camp, buna. hitler has ordered that all remaining jews be relocated within german borders. the german army needs the camp guards to go to the battle front for a last-chance defense.

what are the answers?