The Relative Clause is “who are five in number”. It is a type of dependant clause (it need the main clause in order to convey its meaning properly) that has the same function of an adjective; that is to say, it modifies a noun “friends”.
You're answer would be A because it clearly states the thesis of the paragraph.
He is basically powerless and has no such power to save himself from thee.
Explanation:
Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves.
The sentence that is written correctly with parallel structure is: In order to complete your application, you must schedule an interview, get three recommendation letters, and pay the $50 application fee. The correct answer is option B. What makes this sentence have a parallel structure is that, the verbs used are in the same grammatical form.