The mid-oceanic ridge systems in the Atlantic and Pacific oceans are
A)high points in the ocean basins where new crust is being made.
B)the tallest features in Earth's ocean basins.
C)some of the oldest rock formations on Earth's surface.

Question

Quizplus · Accepted Answer

The mid-oceanic ridge systems in the Atlantic and Pacific oceans are places where new crust is being formed. They are divergent plate boundaries where magma rises up from the mantle to fill the space created by the moving plates, forming new oceanic crust.

The Mid-Oceanic Ridge Systems in the Atlantic and Pacific Oceans