Ok y’all my friend needs help and this is due real soon so please help !!

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

The travels of marco polo. which sentence best reflects author’s subjective perspective on the people of japan?

What role does the element of motivation play in performances? a. it makes characters more relatable. b. it uses characters to enhance setting. c. it reveals characters’ weaknesses. d. it guides characters’ actions.