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← GeographyWhich long-term effect arises from carbonic acid presence?
A)Karst topography develops via dissolution.✓
B)Oxidation accelerates in exposed iron.
C)Eutrophication increases in local waterways.
D)Desertification intensifies due to evaporation.
💡 Explanation
Karst environments develop because the increased presence of carbonic acid enhances the chemical weathering effect of dissolution on carbonate bedrock, generating caves and sinkholes. Therefore, karst landscapes emerge, rather than eutrophication which is nutrient based.
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