What does shelley mean by the expression "castles in the air"? how were these "castles in the air" different from her early writings?

Ineed the answer asap pl 22. give an example of how oscar wilde uses irony to achieve social commentary in the play. you can discuss the irony of the title. respond in complete sentences.

Can you describe the word chalk without saying the words chalk or chalky? (type your own definition of the word.)

Read the excerpt from poe’s "the fall of the house of usher." his ordinary occupations were neglected or forgotten. he roamed from chamber to chamber with hurried, unequal, an objectless step. the pallor of his countenance had assumed, if possible, a more ghastly hue -- but the luminousness of his eye had utterly gone out. which statement best describes the effect of the narration on the story? the narration reveals usher’s feelings of discouragement. the narration reveals usher’s absent-mindedness after his loss. the narration suggests usher’s confusion in the wake of his loss. the narration suggests usher’s mental decline after his sister’s death.