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← ScienceWhich effect on navigation occurs because of gravitational equivalence?
A)Clock rate shifts require compensation✓
B)Doppler shift nullifies altitude correction
C)Sagnac effect minimizes satellite drift
D)Relativistic beaming enhances signal focusing
💡 Explanation
Gravitational equivalence affects clock rates and therefore precise navigation. As altitude increases, gravitational time dilation shifts clock rates; satellite systems must compensate for this, because general relativity predicts the effect, rather than assuming other alternatives affecting synchronization.
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