Final answer:
Ocean acidification is the process of the ocean becoming more acidic due to excess carbon dioxide absorption from the atmosphere, affecting marine life and ecosystems.
Explanation:
Ocean acidification is the process in which the ocean's pH decreases due to the absorption of excess carbon dioxide (CO₂) from the atmosphere. This leads to the ocean becoming more acidic, affecting marine species and ecosystems. As a result of ocean acidification, the availability of calcium carbonate decreases, impacting the ability of marine organisms to build shells and skeletons.
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