Refer to the Figure Below

Multiple Choice

Refer to the figure below. This is an important equilibrium system in aquatic environments, particularly in the oceans.Which statement correctly describes a reaction of this system in response to an environmental change?

A) A decrease in carbonic acid shifts the equilibrium to the left.
B) An increase in carbon dioxide shifts the equilibrium to the right.
C) Adding carbonic acid has no effect on the system.
D) Removal of carbon dioxide shifts the equilibrium to the right.
E) Adding carbonic acid and removing carbon dioxide simultaneously has no effect on the system.