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Which risk increases when geomagnetic fields strongly fluctuate?

A)Induced currents in long pipelines
B)Reduced GPS signal propagation time
C)Increased solar panel energy conversion
D)Improved shortwave radio communication range

💡 Explanation

Geomagnetic storms induce telluric currents; therefore, long pipelines are particularly vulnerable to corrosion caused by stray electrical currents, because the pipelines serve as unintentional grounding paths, rather than improved communications performance.

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