A. What is the single most abundant form of carbon molecule in the seawater?
B. What will happen to the concentration of carbonate ion, [CO32-], when atmospheric CO2 is absorbed into the seawater? Bold one answer from below.
[CO32-] does not change
[CO32-] decreases
[CO32-] increases
C. Explain the reasoning for the answer to D (hint: refer at question B).