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Geography

Which landscape outcome develops when acidic rainfall percolates porous limestone?

A)Karst topography formation with extensive dissolution
B)Extensive glacial scouring and glacial till
C)Volcanic caldera formation with basalt flows
D)Formation of shield volcanoes erosion features

💡 Explanation

Karst topography emerges because carbonic acid increases the limestone's chemical weathering; increased rainfall facilitates dissolution. Therefore, dissolved carbonates initiate formations rather than glacial or volcanic processes, which change through disparate mechanisms.

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