To emerge out of thin air means to:
Correct answer is: C. c. Appear suddenly
null
pple of discord is the synonym of “bone of contention”.
Both phrases refer to something that causes disagreement or argument.
Compound sentence is correct.
A compound sentence contains two independent clauses joined by a coordinating conjunction (like “and” in this case). Both clauses can stand alone as complete sentences.
Phrase is the correct answer.