Question

when the oceans absorb extra carbon dioxide, it forms carbonic acid, reducing the ph of the oceans. what is this process called? eutrophication ocean acidification

Explanation:

Ocean acidification is the process where the ocean absorbs extra carbon dioxide, forming carbonic acid and reducing the ocean's pH. Eutrophication is about nutrient - rich water causing algal blooms, etc., which is not related to the described process.

Answer:

Ocean acidification