Read the introduction. I support the purchase of streetlights for our community. My young sons enjoy riding their skateboards in the street in the evening, but darkness makes this a reckless undertaking, even with reflective gear. Further, our family has contributed dues to the neighborhood association for nearly ten years, and no structural improvements have been made during this time. The association has money saved for projects such as these, and it is time to use these funds to promote safety. What is the author’s purpose? to inform readers about skateboarding safety to inform readers about neighborhood dues to persuade readers to support an investment to persuade readers to save their money

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Why does the author's description of the mercury boiler—"the mercury, when vaporized, going into a mercury turbine and then into a condenser, remaining hot enough to generate steam in a steam boiler"—intentionally incorporate such highly technical language? using technical language establishes the expertise of the writer and convey the complex nature of the process being described. using technical language allows the writer to subtly poke fun at those who seek to make basic processes seem overly complicated. using technical language encourages readers to develop deeper and more meaningful personal connections to the information. using technical language lets the writer make clear to readers that the article is intended for readers who are themselves experts on electricity.