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← HistoryWhich navigational risk increased when early 18th-century mariners relied solely on dead reckoning accounting for variations in prevailing winds?
A)Systematic latitudinal position errors
B)Unpredictable temperature gradient artifacts
C)Longitudinal position accumulated error variance✓
D)Compromised barometric pressure estimations
💡 Explanation
Longitudinal error increased when the ships couldn't verify position with celestial or chronometer data; rather than the correct position being computed independently, cumulative errors arose, because error variance follows position from time as estimated mechanically; therefore, there was longitudinal error.
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