<span>help scientists understand perceptual principles</span>
U didn’t show the paragraph
Answer: "Cloudy Day" by Jimmy Santiago Baca is to show how there can always be sunshine on a cloudy day. Meaning that no matter how bad things are, it could possibly b worse, so we should always be optimistic.
Explanation: The purpose of the flashback is to show how the speaker has changed from the start of his prison time to the end
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good luck have a nice day :)