Mid-Ocean Ridges Are Elevated Above the Seafloor

Multiple Choice

Mid-ocean ridges are elevated above the seafloor. The elevation of the seafloor:

A) decreases away from the mid-ocean ridge because of the cooling and contraction of the rocks
B) increases away from the mid-ocean ridge because of the expansion of the rocks
C) decreases away from the mid-ocean ridge because of the expansion of the rocks
D) increases away from the mid-ocean ridge because of the cooling and contraction of the rocks