The Oceans Absorb CO₂ from the Lower Atmosphere,which in Turn

Multiple Choice

The oceans absorb CO₂ from the lower atmosphere,which in turn creates carbonic acid.Should humans be concerned about greater ocean acidification?

A) No.Carbonic acid is an ingredient in soft drinks.It's not dangerous.
B) No.The oceans have such a large volume,that increases in carbonic acid don't have a major affect.
C) No.The carbonic acid gets consumed by organisms in the ocean before it can do harm.
D) Yes.The increasing acidification means oceans will be unsafe for humans to swim in.
E) Yes.Carbonic acid inhibits the growth of shelled organisms and decreases phytoplankton populations.