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Geography

Which process increases salinity in a closed basin lake in an arid climate?

A)Evaporation exceeding freshwater inflow
B)Reduced sediment deposition from rivers
C)Increased groundwater discharge to lake
D)Uplift of volcanic rock within basin

💡 Explanation

When evaporation exceeds freshwater inflow in a closed basin lake, salt concentration increases because water molecules transition to vapor phase, leaving dissolved salt behind. Therefore increased salinity results, rather than decreased sedimentation, or uplift, which operate through deposition and geological forces.

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