How Does an Increased Atmospheric CO₂ Concentration Result in Increased

Multiple Choice

How does an increased atmospheric CO₂ concentration result in increased ocean acidity?

A) CO₂ causes less oxygen to occur in oceans.
B) CO₂ transforms into H+ ions.
C) CO₂ reacts with water to form H₂CO₃.
D) Increased CO₂ causes increases in animal waste which result in more acidic conditions.