In the sentence, " sweep the sidewalk after mowing," how is the word, mowing, a gerund used as the object of preposition ?
also, how is the same word a noun (because it is a gerund)?

Around, blank character is one who changes and grows as a result of the conflict in the story.

Why would viktoria most likely include this paragraph in the middle of her essay? to introduce the main challenge she faces to explain some of the obstacles she faces to explain how she overcomes her obstacles to discuss how the challenge changes her

How is dr. lanyon characterized in the excerpt? as friendly as arrogant as wise as mournful