When the ocean absorbs CO2 it leads to what?

Explanation:

Each liquid falls somewhere along a scale with acid at one end and alkaline at the other. Normally, ocean water is less acidic than fresh water. Unfortunately, as the ocean absorbs more and more carbon dioxide from the atmosphere, it becomes more acidic. Lemon juice is an example of an acidic liquid.

If the ocean absorbs a lot of CO2 it is most likely to become acidic

the answer is

c. parental