What is Causing the Seawater to Become More Acidic

Question

What is causing the seawater to become more acidic?  
A) CO2dissolves in solution.
B) Helium dissolves in solution.
C) H2dissolves in solution.
D) HCl dissolves in solution.
E) Cl- dissolves in solution.

Accepted Answer

Carbon dioxide (CO2) from human activities, such as burning fossil fuels, is being absorbed into the ocean, where it reacts with water to form carbonic acid. This increased carbonic acid concentration is making the seawater more acidic.