Detailed explanation and options for the selected question.
Which of the following contributes to ocean acidification?
A.
Methane emissions
B.
Excess CO2 absorption by oceans
C.
Oil spills
D.
Increase in ocean salinity
Explanation:
Ocean acidification results from excess CO2 absorbed by oceans, forming carbonic acid. Methane, oil spills, and salinity changes do not cause acidification.