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← GeographyWhich mechanism dictates stream direction when influenced by Earth's rotation in northern hemisphere?
A)Coriolis effect causing deflection right✓
B)Ekman transport shifting flow left
C)Geostrophic balance directing straight
D)Pressure gradient driving water downslope
💡 Explanation
When flowing freely, a stream in the northern hemisphere is subject to the Coriolis effect because of Earth's rotation, which deflects moving objects to the right of their intended path. Therefore the stream veers to the right, rather than Ekman transport, balanced straight flow or simply pressure gradients which don't apply here.
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