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← Nature & AnimalsWhich outcome minimizes descent during avian soaring flight using slotted feathers?
A)Delaying boundary layer flow separation✓
B)Reducing skin friction air resistance
C)Increasing total wing surface cohesion
D)Enhancing laminar airflow generation
💡 Explanation
Slotted feathers delay stall because boundary layer flow separation is postponed by energized air passing through the slots, therefore lift is maintained at higher angles of attack rather than stalling causing immediate loss of altitude.
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