What is Dootsie planning to be for Halloween in stargirl

Can you answer number 5 for me . hurry

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

How are montag and faber opposites of each other? a) montag is a firefighter, therefore it is his job to burn books. faber used to be and english professor, and it was his job to teach students about books. b) montag is passionate and determined, and farber is wise and cautious c) montag is brave enough to steal and illegal book. faber was too afraid to speak up when books started to become illegal. d) all of the answer choices are correct