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← GeographyWhich outcome on limestone coasts results when increased atmospheric carbon dissolves?
A)Increased sea cave formation✓
B)Decreased intertidal rock strength
C)Reduced sediment coastline expansion
D)Slower coral reef cementation
💡 Explanation
Greater atmospheric carbon results in more dissolution of the limestone by carbonic acid; therefore marine caves expand because chemical weathering has increased, rather than resulting in reduced sediment deposition on depositional shorelines.
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