Why is it so bad to use first person in an essay?

Which words and phrases connect the ideas in this excerpt from a compare and contrast essay? the team considered using products made by company a and company b. however, the budget and concerns about learning about two products meant that they needed to choose only one. they realized that the product from company a was of excellent quality, to company b's product.

Which sentence is punctuated correctly?  a.under a microscope; the organisms look a bit like ruffled tennis balls they have armored plates that fit together to make a round shape. b.when the water is disturbed; the organisms respond by glowing this makes swimmers look like floating beams of blue light. c.there is a bay in puerto rico that seems to light up at night; the light comes from tiny organisms in the water. d.the luminescence attracts visitors from around the world people are curious to see; this beautiful otherworldly sight.

Read the excerpts from “take the tortillas out of your poetry” and “speaking arabic.” my friend had concluded that if he took his language and culture out of his poetry, he stood a better chance of receiving a fellowship. he took out his native language, the poetic patois of our reality, the rich mixture of spanish, english, pachuco and street talk which we know so well. in other words, he took the tortillas out of his poetry, which is to say he took the soul out of his poetry. at a neighborhood fair in texas, somewhere between the german oom-pah sausage stand and the mexican gorditas booth, i overheard a young man say to his friend, “i wish i had a heritage. sometimes i feel—so lonely for one.” and the tall american trees were dangling their thick branches right down over his head. which best states how the structures of both excerpts support ideas about cultural diversity? each incorporates non-english words. each incorporates academic words. each incorporates offensive words. each incorporates nonsense words.