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← GeographyWhich geologic consequence directly follows the continued glacial erosion within a cirque?
A)Formation of a tarn lake✓
B)Development of a braided stream
C)Deposition of an esker ridge
D)Creation of a karst landscape
💡 Explanation
When a glacier erodes within a cirque, glacial plucking and abrasion deepen the basin because ice freeze-thaw action weathers rock, leading to a deepened hollow which later fills with meltwater. Therefore, a tarn lake forms, rather than braided streams, eskers which are features of glacial deposition, or karst landscapes resulting from limestone dissolution.
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