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← GeographyWhich outcome is amplified in glacial meltwater streams because of albedo?
A)Accelerated glacial ice mass decline✓
B)Enhanced carbon sequestration rates
C)Increased benthic algae photosynthetic activity
D)Elevation of stream turbulent viscosity
💡 Explanation
Meltwater streams erode ice because positive feedback increases absorption. The albedo feedback reduces surface reflectivity and thus maximizes radiation absorption; as ice disappears, the process accelerates, therefore increased melting proceeds rather than reduced stream algae.
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