Question

The ocean absorbs carbon dioxide directly from the atmosphere. How does CO2 absorption affect the ocean?

A. The acidity of the ocean water increases.
B. Coral reefs expand, and coral skeletons harden.
C. Ocean water becomes colder and denser.
D. Saline (salty) ocean water turns into freshwater.

Answer 1

Answer: A

Step-by-step explanation:

A: The acidity of ocean water increases.

Answer 2

A

Step-by-step explanation:

Carbon dioxide increases the acidity of the solution as it binds to h2o to create carbonic acid