Question

The are submerged hills and mountains found in the ocean, while are the deepest landforms in the ocean.

Answer 1

Mid-oceanic ridges are the submerged mountains or hills found in the ocean. They can be hundreds of kilometres wide and thousands of kilometres long. The oceanic trenches, on the other hand, are the deepest landforms found on the ocean floor. The Mariana Trench in the Pacific Ocean, is the deepest marine trench in the world.