My heart, i cannot still it, nest that had song-birds in it; and when the last shall go, the dreary days, to fill it, instead of lark or linnet, shall whirl dead leaves and snow. had they been swallows only, without the passion stronger that skyward longs and sings,— woe’s me, i shall be lonely when i can feel no longer the impatience of their wings! a moment, sweet delusion, like birds the brown leaves hover; but it will not be long before their wild confusion fall wavering down to cover the poet and his song. how does lowell’s word choice support his theme? lowell uses words such as “nest,” “lark,” and “songbirds” to inform the reader about birds. lowell mentions specific birds and uses words such as “passion” to show how slowly life moves. lowell uses words such as “song-birds,” “passion,” and “impatience” to suggest that life is brief and should be lived passionately.

Read the following excerpt from "the city without us" by alan weisman: yet with each new acid-free rainfall, trees that still endurewill have fewer contaminants to resist as chemicals aregradually flushed from the system. over centuries,vegetation will take up decreasing levels of heavy metals,and will recycle, redeposit, and dilute them further. asplants die, decay, and lay down more soil cover, theindustrial toxins will be buried deeper, and eachsucceeding crop of native seedlings will do better.which best explains how the structure of this passage supports the author's purpose? a. the passage traces several events in the order that they will occur tohighlight how people have harmed the environment.b. the passage describes the effects of rain in the posthuman world tohighlight that nature will eventually neutralize the pollution created bypeople.c. the passage shows the effects of rain on certain plants to prove that lawsprotecting the environment are necessary for human survival.d. the passage compares the acidity of rain before and during a posthumanworld to underscore that pollution levels will remain the same.