Where in the ocean is the mid-ocean ridge found?

Question

Where in the ocean is the mid-ocean ridge found?

between the shoreline and the continental slope
at the bottom of the Mariana Trench
at the center of the abyssal plain
between the continental shelf and the continental slope

Answer 1

The mid-ocean ridge is found at the center of the abyssal plain, which is the flat and relatively level area of the ocean floor that lies between the continental rise and the oceanic ridge system.