Final answer:
Ocean acidification is causing the oceans to become more acidic due to increased CO2 emissions, impacting marine life and ecosystems.
Explanation:
Ocean acidification is a process where ocean waters decrease in pH due to higher levels of carbon dioxide (CO2) emissions dissolving in the ocean. This leads to a more acidic environment in the oceans, affecting marine life that relies on calcium carbonate for shells and skeletons. The increase in acidity can have detrimental effects on coral reefs, certain shellfish, and other marine organisms.
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