Their shape. The ocean rarely slopes off gently to a deeper and deeper depth. All of the "trenches" in the ocean are sudden, very deep "vees". In other words: trenches.
Deepest ocean: Pacific, in the Mariana Trench. Also known as the Challenger Deep. 36,201 feet down.
Deep Trench in the ocean floor. It can sometimes be mistaken for a mid-ocean ridge.
the answer i Izu the trench
The deepest trenches in the world are -1 - Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,034 metres deep.2 - Tonga Trench in the south Pacific Ocean at 10,882 metres deep.3 - Philippine Trench (aka Philippine Deep, Mindanao Trench and Mindanao Deep) in the western Pacific Ocean at 10,540 metres deep.
It is in the Mariana Trench!
The ocean trench is almost 7 miles deep.
This iis a trench.Also ocean basin is the deepest part of the ocean.
Challenger deep.
The deepest point on the Earth's surface is Challenger Deep, part of the Marianas Trench in the Pacific Ocean
a deep-ocean trench is a portion of the earth crust
ocan
probably..