Which group of words in this sentence is an independent clause?

Back in New York once more, Bearden briefly became a songwriter before persuing art again.
A. Bearden briefly became a songwriter
B. became a songwriter before persuing art again
C. Back in New York once more
D. before persuing art again

Me read the letter. dear aunt mary, you for the wonderful painting. you are so talented! i was thrilled that you chose to paint horses. you must have remembered that i was crazy about horses when i was a little kid—and i still love them. i have hung the painting in my room so that i can see it every morning when i wake up. your loving niece, celia what makes this letter appropriate for its intended audience? it is written from the third-person point of view. it is concise and impersonal. its sentence structure is varied. its language is informal.

Which words indicate a text is written i the first-person? a. she, her, hers b. they, them, theirs c. he, him, his d. i, me, my

Which type of map best shows differences in elevation?