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Geography

Which 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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