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← ScienceWhich mechanism diminishes VHF radio signal propagation under stratified atmospheric conditions?
A)Ducting creates guided wave paths
B)Refraction bends waves earthward more
C)Scattering increases signal path loss✓
D)Diffraction overcomes terrain obstructions
💡 Explanation
Signal scattering reduces VHF radio signal strength because atmospheric irregularities cause energy dispersion via incoherent reflections of radio energy rather than concentrated directional propogation; therefore path loss increases as signal energy is bounced around rather than travelling directly.
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