Which of the following contrast the locations along which new ocean floor is formed by upwelling flows of magma with locations along which old oceanic crust is destroyed?
A)Subduction zones; mid-ocean ridges.
B)Archipelagos; oceanic trenches.
C)Mid-ocean ridges; subduction zones.
D)Oceanic trenches; archipelagos.

Question

Quizplus · Accepted Answer

At mid-ocean ridges, new oceanic crust is formed by upwelling flows of magma. On the other hand, old oceanic crust is destroyed at subduction zones as it sinks beneath another tectonic plate. Therefore, choice C contrasts the locations where new ocean floor is formed with the locations where old oceanic crust is destroyed.

Which of the Following Contrast the Locations Along Which New