How do a poem and a speech use language to achieve their goals?

Explanation is in the file

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it is a subjective art form that affords its authors the right to express themselves in ways both classical and innovative. Poems do not have to rhyme, neither do they have to follow any special structure or include any precise style. Still, most poems do emphasize a few key characteristics. These are stylistic choices that can diversify from piece to piece but must nevertheless be made by every poet. Figures of speech, or figurative language, are ways of describing or explaining things in a non-literal or non-traditional way.  Imagery is something ferroconcrete, like a sight, smell or taste. The imagery depicts what the poet sees, hears or otherwise senses, be it a literal image or one that exists in his mind. Visual imagery, which describes what the poet sees, is the most common type of image in poetry. It creates a picture that the reader or audience can see in his mind. The punctuation and composition of the poem deal with how it is systematized on the page and how the author signifies for you to read it.

Explanation:

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d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer