Sketch a profile of ocean floor bathymetry along line X–Y on the following map. (Hint: See...

Sketch a profile of ocean floor bathymetry along line X–Y on the following map. (Hint: See Figures 4.5 and 4.6.)

Figure 4.5 Oceanic ridge system. The purple areas indicate locations of the principal oceanic ridges, which cover approximately one-half of the ocean floor.

Figure 4.6 Distribution of trenches on the seafloor. Trenches are concentrated around the margins of the Pacific Ocean.