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Why are graphics particularly useful in scientific texts?

In “mother to son”, which poetic device does langston hughes use and why? question 15 options: a) he uses similes to compare life’s hardships to ordinary, everyday things b) he uses a metaphor to compare life to a staircase c) he uses an extended metaphor to compare life’s hardships and successes to a staircase d) he uses hyperbole because everybody knows that life is a lot different than a staircase question 16 (3.18 points) in “mother to son”, “tacks” most likely represents question 16 options: a) something that hurt us physically b) small obstacles that we don’t necessarily see coming and can slow us down or cause harm c) small obstacles that can be easily overcome d) events in life which are emotionally painful question 17 (3.18 points) reread "let america be america again" by langston hughes. what is the main idea of stanza 4 (begins with "i am the poor ")? question 17 options: poor whites have had it just as hard as everyone else in trying to realize the american dream. america is a multicultural nation where all of its people work together to reach the american dream. there are many different groups of people living in america who have not been able to realize the american dream. the narrator is taking on multiple identities. question 18 (3.18 points) which of the following is not a dreamer mentioned in "let american be america again"? question 18 options: irish immigrants royalty living in the "old world" native americans african americans question 19 (3.18 points) in "let america be america again", the word lea in line 39 most nearly means question 19 options: the rugged and bare shores of the english coastline a grassland or meadow a sprawling city a vast body of water; either an ocean or a lake question 20 (3.18 points) which of the following best describes the poet's tone in "let america be america again"? question 20 options: desperate hopeful delighted confused question 21 (3.18 points) which of the following is the reason that zora neale hurston's grandmother is upset at zora for riding with white people who pass through their village at the start of "the inside search"? question 21 options: she thinks that zora plans to run away and see the world at a very young age. she is afraid that zora will be kidnapped by the white people and never be seen again. she learns that zora is taking money from the people with whom she rides. she worries that zora will offend the white people and incite violence. question 22 (3.18 points) what does zora neale hurston recognize by the end of "the inside search? " question 22 options: she can use her intelligence to have new experiences and opportunities. she can ignore her grandmother's warnings and worries because her generation is different. she can tell that friends at home are more important than people she meets from outside of her village. she can use her beauty and athleticism to travel and see the wider world.