The part of the sentence which is a nonrestrictive clause is <u>'which is free for full-time faculty.'</u>
The nonrestrictive clause is the adjective clause which provides the meaning of the word whose meaning is already clear from the sentence. They begin with the word 'which' and ends with a comma and are removable. They provide additional information about the word. In the above sentence, the nonrestrictive clause is 'which is free for full-time faculty' which is giving an additional information about the 'cafeteria.'
“The speed limit should be lowered for safety reasons” would be the best answer. All of the other sentences are too informal. When writing an opinion piece you want to have somewhat of a conversational tone but you shouldn’t use words like “totes” and “gotta”. I’m the end, it is a formal paper stating your opinion and should be professional.
Secrets are one of the central themes in the book, although they are not the most prominent theme, they are quite important, as the ending of the book relies heavily on an untrue fact and untrue story, or rather a secret, which determines the fate of one of the characters. This quote (above in your question) particularly mirrors the quote " You never really know a person until you consider things from his point of view...until you climb into his skin and walk around it." Boo Radley remains a secret from the beginning of the book until the end and this quote relates to him as Scout and Jem try to figure him out, since he is so mysterious, yet another one of the secrets present in the novel.