How does an increase in sea floor spreading rate u influence the depth of the oc

Question

How does an increase in sea floor spreading rate u influence the depth of the ocean at a given distance from the ridge?

A. When u increases the depth of the ocean floor at a given distance from the ridge increases; B. When u increases the depth of the ocean floor at a given distance from the ridge decreases; C. When u increases the depth of the ocean floor remains constant no matter the distance from the ridge; D. When u increases the depth of the ocean floor at a given distance from the ridge increases at first then decreases; E. When u increases the depth of the ocean floor at a given distance from the ridge decreases at first then increases;

Explanation / Answer

Answer : Option A

With an increase in rate of sea floor spreading the new oceanic curst and lithosphere created at oceanic ridge at much higher spped, the oceanic crust as moves away from the ridge, it becomes cooled down and sinks to depth. Thus the increase in U will result in increased depth of sea floor.

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