A pedestrian bridge crosses Emmet Street near Ruffner Hall (the Education School). This bridge is entirely supported by columns from below. A gap at each end of the bridge separates the bridge's surface from the sidewalks leading to the bridge. The width of each gap changes with time. This width is smallest
A. on hot days.
B. at noon.
C. at midnight.
D. on cold day.
Answer:A
A pedestrian bridge crosses Emmet Street near Ruffner Hall (the Education School). This bridge is entirely supported by columns from below. A gap at each end of the bridge separates the bridge's surface from the sidewalks leading to the bridge. The width of each gap changes with time. This width is smallest
A. on hot days. B. at noon. C. at midnight. D. on cold day.