Martin Luther King Jr. uses figurative language strategically throughout his letter to promote equality. How does the following instance help accomplish his purpose of challenging the church leaders to take action against racial injustice? In those days the Church was not merely a thermometer (strictly tells the temperature) that recorded the ideas and principles of popular opinion; it was a thermostat (changes the temperature) that transformed the mores of society.

Respond in three to five complete sentences. (10 points)

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."