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← GeographyWhich phenomenon causes the deflection of large-scale ocean currents such as the Gulf Stream?
A)Coriolis effect due to Earth's rotation✓
B)Density differences from salinity gradients
C)Wind stress from prevailing wind patterns
D)Tidal forces created by lunar gravity
💡 Explanation
The Coriolis effect, resulting from Earth's eastward rotation, cause a deflection of moving objects, including ocean currents. Therefore, water deflects rather than travels in a straight line, compared density which mixes currents and winds which largely drive surface currents, or lunar forces are mostly negligible in open water.
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