Why the nucleus of a sperm cell is different from the nucleus of body cells?

Anurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room. what is the best way for the nurse to address this situation?

Which statement describe events that occur during interphase?

Are the layers of rock above and below the coal older or younger?