As the seafloor ages, ocean depth
A) increases.
B) decreases.
C) is not affected.
D) varies.

Name: As the seafloor ages, ocean depth A) increases. B) decreases. C) is not affected. D) varies.
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Question

Quizplus · Accepted Answer

As the seafloor ages, it moves away from the mid-ocean ridges where new seafloor is created by volcanic activity. This movement causes the seafloor to cool and contract, which increases its density and causes it to sink deeper into the mantle. As a result, the ocean depth increases with seafloor age.

As the Seafloor Ages, Ocean Depth