Atopical paragraph is one that

is organized around a topic sentence
contains a different perspective
adheres to the purpose of the writing
describes a quality in detail

Read this excerpt from the grapes of wrath: snub-nosed monsters, raising the dust and sticking theirsnouts into it, straight down the country, across thecountry through fences, through dooryards, and in and outof gullies in straight lineswhich best describes the tone in this passage