Answer:
2,3,4
Explanation:
These are all good things to do in a presentation, if some teacher don't like people to tell jokes or fiddle around they can take points away from you.
This is an example of A. Assimilation. In this case Moishe is taking on a common name of the local community/culture in which his family has migrated into. By choosing a common name he will "blend in" with the other children. To assimilate, means to replicate or copy.
Unionization, cronyism and maturation are not appropriate to this situation.
You didn't specify, but a human should be awake no longer than 16 hours a day (if this is what you meant)
English please and thankyou