Historically, the earth's ocean had a pH of 8.2. In recent years, it has dropped to 8.1. How might this change affect the ocean environment? A. The skeletons of coral will become soft due to increased acidity.
B. The rise in alkalinity will make the ocean unfit for certain ocean plants.
C. At 8.1, the ocean has reached neutral pH, making it identical to pure water.
D. The ocean's CO2 content will decrease, improving the environment for animals.