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← HistoryWhich navigational error increased when chronometers aboard 18th-century sailing ships lost accuracy due to temperature changes?
A)Lunar distance miscalculation
B)Latitude estimation deviation
C)East-west longitude uncertainty✓
D)Celestial altitude parallax
💡 Explanation
When a chronometer's accuracy decreases due to temperature variations, timekeeping precision fluctuates leading to an increased uncertainty in determining the Prime Meridian time. Therefore, east-west longitude estimation becomes uncertain, rather than latitude deviations or other effects which rely on celestial observation alone.
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