Base on the story of the swimmer by F. Scott Fitzgerald, he reveal the setting of the passage by mentioning water and sand and the best answer among the choices is in the last choice. I hope you are satisfied with my answer and feel free to ask for more
Answer: Global Warming and Climate Change. Persists on a short timescale or a long rime-scale as far as human-it concerned.
Who's the author??? I couldn't find any PDF files with just the title.
