I need help ASAP pls

If i could be any disney princess who would it be (guess by jus lookin at me)

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 best describes the tone in these lines "the fish"