Trenches are deep ocean features of subduction zones.
There are two major ocean zones, Pelagic and Benthic zones. The Pelagic zone is the open ocean and the Benthic zone is the ocean bottom.
pacific ocean
earthquake zones are located in and around the mid-ocean ridge.
dodo
yes.
Mesopelagic :)
pacific ocean
Sunlight, twilight, midnight, and sea trench zones
Ocean
In terms of biomass, deep ocean habitats are similar to Benthic and Abyssal Zones.
Intertidal zone, coastal ocean, and open ocean.