Carbon dioxide readily combines with water to create carbonic acid, which in turn
reversibly dissociates into hydrogen ions and bicarbonate ions. If you increase the
concentration of carbon dioxide in a system such as the ocean, or human blood,
what would happen to the pH of the system?
O
A. It would initially increase, then decrease.
O
B. It would remain completely unchanged.
o
C. It would increase.
O D. It would decrease.