Read the passage from "ode on a grecian urn." heard melodies are sweet, but those unheard are sweeter; therefore, ye soft pipes, play on; not to the sensual ear, but, more endear'd, pipe to the spirit ditties of no tone: fair youth, beneath the trees, thou canst not leave thy song, nor ever can those trees be bare; bold lover, never, never canst thou kiss, though winning near the goal—yet, do not grieve; she cannot fade, though thou hast not thy bliss, for ever wilt thou love, and she be fair! based on the word choice, the speaker's overall tone is angry. encouraging. mournful. loving.

You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then mix the solution. describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.

Read the passage from sugar changed the world. sugar is a taste we all want, a taste we all crave. people throughout the planet everywhere have been willing to do anything, anything at all, to get that touch of sweetness. we even know exactly how thrilling it was to taste sugar for the first time. when the lewis and clark expedition met up with the shoshone, who had little previous contact with old world products, sacagawea gave a tiny piece of sugar to a chief. he loved it, saying it was "the best thing he had ever tasted." sugar created a hunger, a need, which swept from one corner of the world to another, bringing the most terrible misery and destruction, but then, too, the most inspiring ideas of liberty. sugar changed the world. we begin that story with a man who could never know enough. how does the conclusion of the prologue support the authors’ purpose? select two options. it introduces the topic that will be addressed next. it provides information about the authors. it states why the topic is relevant to readers. it cites sources the authors used in the text. it explains how the authors came to study the subject.

Read the excerpt from ernest hemingway’s “soldier's home.” his father was in the real estate business and always wanted the car to be at his command when he required it to take clients out into the country to show them a piece of farm property. the car always stood outside the first national bank building where his father had an office on the second floor. now, after the war, it was still the same car. nothing was changed in the town except that the young girls had grown up. how does hemingway’s description of the town as unchanged impact the readers’ perception of krebs? it emphasizes that while the town has remained the same, krebs has changed. it illustrates that krebs despises the town he grew up in because it is boring. it demonstrates that krebs views himself as similar to the other soldiers from his town. it reveals that krebs is jealous of those who were able to stay in town and avoid the war.