D. D. D. D. D. D. D. D. D. D. D D. D. D d. D. D. D. D. D. D
Answer:
Explanation:
Of the five oceans, the one with the greatest average depth is the Pacific, with about 4300 meters.
The reason is that this ocean is located on the great plate of the Pacific whose convergent margins are crossed by deep oceanic trenches under which this plate subducts.
In fact, the greatest ocean depth is also found in this ocean and corresponds to the Challenger Abyss, in the Mariana Trench, which reaches a depth of 11 km.
They rather share a habitat because they know they are all human but why not a niche is because it is a place there in and if they are in a position of there there own place like a home or like a apartment