How deep is the deepest portion of the ocean floor and what are these regions called?

Question

Quizplus · Accepted Answer

The deepest portion of the ocean floor is found in trenches, which can reach depths greater than 10,000 meters. Submarine canyons are not the deepest regions and have depths of around 2000 meters. Rift zones are areas where tectonic plates are spreading apart and have depths of around 2500 meters. Abyssal plains are flat, deep regions of the ocean floor but do not reach depths greater than 4000 meters.

How Deep Is the Deepest Portion of the Ocean Floor