Ocean Acidification Is Defined as Rising Levels of Acid in Ocean

Multiple Choice

Ocean acidification is defined as rising levels of acid in ocean waters due to the ocean's absorption of ____ from the atmosphere.

A) N₂O (nitrous oxide)
B) CaCO₃ (calcium carbonate)
C) H₂CO₃ (carbonic acid)
D) CO₂ (carbon dioxide)
E) CO₃ (carbonate ions)