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When the tide is channelled between islands or into bays, the flows are called:

AWhirlpool trains
BTidal currents
CBackwash drifts
DStanding swells
Answer & Solution
Correct answer: B. Tidal currents
1. Tides squeezed through narrow passages start to flow. 2. Such flows are called tidal currents. 3. The shape of bays and estuaries can magnify tides. _Source: syllabus Geography, Ch 13 'Movements of Ocean Water' (kegy213)_
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