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← ScienceWhich mechanism diminishes signal integrity when radio waves travel through rainforest canopies?
A)Rayleigh fading creates multi-path interference✓
B)Fresnel diffraction causes signal reflection
C)Doppler shift induces frequency instability
D)Capacitive coupling generates harmonic distortion
💡 Explanation
Rayleigh fading diminishes signal integrity because reflection and scattering from leaves create multiple signal paths, leading to constructive and destructive interference therefore reducing reliable communication coverage, rather than the signal reflecting (diffraction) or shifting frequency (doppler).
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