Biology for IGCSE & O level - Human Influences On Ecosystems (Section 10 - No. 3)
What is the relationship between increased CO2 in the atmosphere and ocean acidification?
Increased CO2 makes the ocean more alkaline.
Increased CO2 has no effect on ocean pH.
Increased CO2 makes the ocean more acidic.
Increased CO2 increases the ocean's temperature, but not its acidity.
Explanation
Increased atmospheric CO2 is absorbed by the ocean, lowering its pH and making it more acidic.
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