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Which 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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