AP Environmental Scienceeasymcq1 pt
Ocean acidification is caused by
A.CO₂ dissolving to form carbonic acid
B.oil spills
C.thermal pollution
D.acid rain runoff
Explanation
Core Concept
About a quarter of emitted CO₂ enters the sea, forming carbonic acid that lowers pH and eats away at carbonate — shells and corals pay the price.
Correct Answer
ACO₂ dissolving to form carbonic acid
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