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← ScienceWhich effect dramatically increases signal attenuation during radio wave propagation through dense foliage?
A)Diffraction causing signal cancellation
B)Absorption converting wave energy to heat✓
C)Reflection creating multipath interference
D)Refraction bending waves away from receiver
💡 Explanation
When radio waves pass through dense foliage, absorption dominates because the water content in leaves converts wave energy into heat through molecular vibration, resulting in signal attenuation. Therefore absorption is the primary loss mechanism, rather than diffraction, reflection, or refraction each requiring specific path conditions to occur.
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