Which rhetorical strategy does elie wiesel use in paragraphs 9-12 to most effectively introduce his claim that for holocaust survivors, "remembering is a noble and necessary act"?

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he uses allusion to draw a comparison between biblical suffering and the suffering he endured.
he uses hyperbole to emphasize the burden of memory for those who survived.
he uses figurative language to draw a comparison between a life lived honoring memory and a life lived trying to forget.
he uses rhetorical questions to appeal to his audience's sense of pathos for what these survivors have suffered and continue to suffer.

Antireflective coatings on solar cells are often made by applying a thin film of silicon nitride (sinx), which has an index of refractive of 1.2, on the top of the silicon solar cell, which has a refractive index of about 3.5. however, the sun emits radiation of various wavelengths which the solar cell absorbs, and the antireflective coating can only absolutely minimize the reflection of one of these wavelengths. the coating thickness is chosen to reduce the reflection of green/yellow light (e = 2.2 ev), which is the most intense color in the solar spectrum (shown below). which of the following coatings would minimize reflection of green/yellow light? the answer is 820 nm how? what is the angular width of the central maximum of an electron traveling at 2 x 108 m/s going through a single slit of width 1 mm.