@ZLabe

(6/n)

...
1) life-sustaining #oxygen is moved downward in the #DeepWaterFormation process of the
- #NorthAtlantic (#NADW),
- #AntarticBottomWater (#AABW), and
- #NorthPacificDeepWater (#NPDW).

2) life-sustaining #nutrients are moved upwards.

Bare with me, there is one more puzzle piece that we should look at:

According to the #US National Oceanic and Atmospheric Administration (#NOAA), 91%
of ocean species have yet to be classified...

https://oceanservice.noaa.gov/facts/ocean-species.html