At what temperature is water heaviest?
What is 4 degrees
What are the three layers of the ocean?
Surface layer, thermocline and deep ocean
What organisms does biogenic sediments consist of?
Plankton, phytoplankton, clams, snails, sponges, etc.
At what saturation state does aragonite begin to dissolve?
Under 1
Why was it not a problem in earlier time periods when CO2 was at extreme heights?
It happened over much bigger time periods than what is happening now.
What happens when CO2 enters the ocean?
It dissociates into carbonic acid, bicarbonate, carbonate and H+ ions.
How long does it take for the ocean and atmosphere to exchange gases?
At a rate of 10-100 years
What are the two types of sediments that are of greatest concern when it comes to ocean acidifcation?
Carbonatious and sillicious
Yes