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← ScienceWhich mechanism maintains GPS accuracy despite relativistic effects?
A)Gravitational time dilation compensation✓
B)Quantum entanglement synchronization
C)Doppler shift signal adjustment
D)Atmospheric refraction index calibration
💡 Explanation
Gravitational time dilation significantly affects satellite clocks orbiting Earth due to spacetime curvature; therefore, GPS systems use gravitational time dilation compensation, because otherwise, positional errors accumulate rapidly, rather than relying on other forms of calibration.
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