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Which outcome occurs when the ionosphere's electron density fluctuates?

A)HF radio signal path variations
B)Increased tropospheric ozone depletion rates
C)Global magnetometer reading stabilization
D)Enhanced solar irradiance spectrum consistency

💡 Explanation

Fluctuations in electron density cause variations in the refractive index via ionospheric refraction; therefore, high-frequency radio signals experience changes in propagation paths because they rely on this reflection, rather than ozone alteration or magnetometer readings.

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