Which aerodynamic consequence results when long-distance soaring birds exploit thermal updrafts?

A)Induced drag reduction at wing tips✓

B)Laminar flow transition delay on feathers

C)Pressure gradient stall postponement

D)Parasitic drag increase from rapid climbs

💡 Explanation

When soaring birds exploit thermal updrafts, circulation increases near the wingtips because the induced drag reduces by using the rising air column's upward momentum for energy, passively improving lift generation and aerodynamic efficiency. Therefore, induced drag reduction results, rather than flow transition, stall delay, or parasitic drag increases which operate on different principles.

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Which aerodynamic consequence results when long-distance soaring birds exploit thermal updrafts?

💡 Explanation

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