What sort of syntactical techniques does Bradbury use in the second paragraph?

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?

How does marc antony use the rhetorical triangle in his speech

Is the book the outsiders a realistic story? plz explain. asap!