According to the theory of seafloor spreading, large quantities of molten rock rises up along
A)the mid-ocean ridges.
B)trenches that border continental margins.
C)atolls surrounding the Pacific volcanic rim.
D)subsiding divergent margins.

Question

Quizplus · Accepted Answer

The theory of seafloor spreading posits that molten rock (magma) rises from the mantle and emerges at mid-ocean ridges, where it cools and solidifies to form new oceanic crust. This process is a key component of plate tectonics.

According to the Theory of Seafloor Spreading, Large Quantities of Molten