Answer 3 I am pretty sure
While Padmi looks frantically for her pen, her sister calmly writes with it. "While Padmi looks frantically for her pen," cannot stand alone. Using it in "While Padmi looks frantically for her pen, her sister calmly writes with it." makes it dependent on the second part of the sentence.
A serpent and an elephant. It was a town of machinery and tall chimneys, out of which interminable [unending] serpents of smoke trailed themselves for ever and ever, and never got uncoiled. It had a black canal in it, and a river that ran purple with ill-smelling dye, and vast piles of building full of windows where there was a rattling and a trembling all day long, and where the piston of the steam-engine worked monotonously up and down, like the head of an elephant in a state of melancholy madness.
I think the answer would be the spelling of Emily Dickenson is wrong. So she is the answer. However, Emerson's transcendentalism influenced the work of writers Henry David Thoreau, Walt Whitman, and Emily Dickinson. The transcendentalists championed individualism.