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← ScienceWhich phenomenon results when air temperature gradients distort transmitted signals?
A)Atmospheric radio wave interference✓
B)Ionospheric frequency shift
C)Tropospheric ducting attenuation
D)Stratospheric signal amplification
💡 Explanation
Atmospheric temperature gradients induce variations in air density, causing refraction and layered constructive and destructive interference of radio waves; therefore, signal strength varies according to the path length, rather than consistent tropospheric attenuation scenarios.
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