In which year was Elie Weisel deported?

Which of the following is a compound complex sentence

How can behavioral science be applied in improving public health? a.by tracking a disease to determine its sourceb.by creating promotions that improve health habitscboth by tracking a disease to determine its source and by creating promotions that improve health habitsd.neither by tracking a disease to determine its source or by creating promotions that improve health habits

Which statements about the controlling idea of a text are true? check all that apply.