Guests can visit the launch center, countdown clock, and a mission control center
D because Gatsby is telling him all these wonderful things
The author's argument about life in the mountains would be that life was emotional and beautiful. According to the text, it states, "while the heights and the meadow lands were turning gold under the rising sun, which was just appearing above the topmost peaks." Another piece of evidence is: "<span>The roaring in the trees always stirred a strong emotion within her and seemed to draw her irresistibly to them." </span>This supports the author's argument that life in the mountains was actually very enchanting.
