Almost all the oceans have sheer drops and rather flat areas so one isn't inherently steeper then another. however the largest and steepest drop would most likely be in the Mariana trench, more specifically the challenger deep the deepest part of the trench, it is effectively a 90 degree drop nearly 7 miles deep.
This trench is located in the Pacific Ocean so that would have to be my answer
the mariana trench:)
The coast of Big Island of Hawaii has the steepest region of the Ocean Floor. If measured from sea bottom to mountain peak, it would be taller than Mount Everest. Rising up to Mauna Kea.
Steepest is an adjective.
both
yes
The ocean floor is the thinnest part.
The Young Ocean Floor is the part of the mantle showing between the 2 split tectonic plates.
The terrain is the steepest when it's on the left side of the map.
sea floor
Along constructive/divergent plate boundaries. This is where the new ocean floor comes from. This is the youngest part of the ocean floor that is.
Continental Shelf.
reef
The bottom of the ocean is part of a tectonic plate or continental shelf, or can be on the breach line between two shelves.