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Which outcome limits GPS accuracy within strong gravitational fields?

A)Gravitational time dilation occurs
B)Signal interference increases locally
C)Atmospheric refraction becomes unpredictable
D)Clock synchronization protocols fail

💡 Explanation

Gravitational time dilation near massive objects causes GPS satellite clocks to run slower relative to ground-based receivers because spacetime is curved. Therefore, position calculations become inaccurate if not corrected, rather than interference or refraction, which aren't relativity effects.

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