Is "why should we knock under and go with the stream" a metaphor or simile?

Which pair of uses of figurative language from "the caged bird" support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams

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

Simple movements prove to be very significant and saves the rest of the day of the poet from being wasted. explain on the basis of the poem dust of snow class 10 dust of snow english