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.
The energy associated with food is chemical energy.
The food contain carbohydrates, proteins, vitamins and minerals, that are used by chemical reactions in the live organisms (the metabolism) to build the cells that form our tissues (muscles, bones, blood).
The chemical energy is stored as chemical bonds in the cells and is released when the bonds break giving energy that we use to run about, and move and talk (kinetic and sound energy).
The company that provides all of the telephone services for the entire country is called the capital
