Well, denotative meaning refers to the literal meaning of a word. So, I guess the correct answer would be <span><u>long cracks in the surface of the earth</u>, because that is the definition of the word fault lines. The other options are too metaphorical, and would thus be considered to be a connotative, rather than denotative meaning.</span>
The denotative meaning of a word or phrase is the dictionary definition. The dictionary defines fault lines as long cracks in the surface of the earth. They usually occur along the edge of the earth's plates. The connotative meaning of a word is it's inferred meaning. Many times it is created through metaphorical or symbolic meaning. The rest of the definitions are all connotative and help to convey the idea that there is a defining line or major disconnect between things.
This conflict flares up in the middle of the chapter, when Calpurnia punishes Scout for criticizing Walter's fondness for syrup. Their fight is so contentious that Scout actually wants Atticus to fire Calpurnia because of it.