Increased atmospheric CO2 concentrations might have what effect ...

[Hawke]

Increased atmospheric CO2 concentrations might have what effect on seawater?
A) Seawater will become more acidic, and bicarbonate concentrations will decrease.
B) Seawater will become more alkaline, and carbonate concentrations will decrease.
C) There will be no change in the pH of seawater, because carbonate will turn to bicarbonate.
D) Seawater will become more acidic, and carbonate concentrations will decrease.
E) Seawater will become more acidic, and carbonate concentrations will increase.

[coco]

The answer I found is D. Let me know if you need more help!

[Hawke]

Thanks! It was right