Answer:
If im not mistaken you are discribing Harry Potter
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Im not sure where the question is in this
Both The Code Book and The Dark Game explore codebreaking, but they are different in their tone, style, and language.
Answer:
When "Star Trek" premired in 1966, few expected it to be such a hit.
Explanation:
I don't see the letter C next to it, but I assume this is answer C. Anyway, the reason this is a good introduction is because it strays away from opinion, and it is relevant to the topic. Answer A is highly opinionated. Answers B and D are not relevant to the topic, so the answer is C.
It is an appeal to Ethos as it comes from a point of authority of knowledge on a subject.