You didnt give any answer choices.
The answer is a) preposition
The characteristics which most likely clearly shows that the passage is a memoir is; It tells about the writer’s experiences in school.
<h3>What is a Memoir?</h3>
A memoir by fiction is any nonfiction narrative writing based in the author's personal memories. The assertions made in the work are thus understood to contain factual information.
Hence, the writer's experience in school represents factual information.
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I haven't seen any of them
A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents
