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489 - EASA Drone A2 License - If a drone flies upward into a strong Temperature Inversion layer, what unexpected aerodynamic effect might occur?

Question 489 - Meteorology - EASA Drone License A2

The sudden encounter with warmer, less dense air can cause a noticeable decrease in lift and motor efficiency
The drone will freeze instantly
The drone's lift will double
The propellers will spin backwards

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