At the hospital, Ponyboy realizes that Darry is crying when he first sees him. How is a theme beginning to develop at this point?
The author shows us that family ties are important to our lives.
The author shows us that survival in a gang is difficult.
The author shows us that we all experience heartbreak at some time in our lives.

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