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Which of the following ocean currents is not responsible for desert formation ?

  • A.Benguela current
  • B.Humboldt current
  • C.West Australia current
  • D.Agulhas current

Answer: D

The current not responsible for desert formation is the Agulhas current.

Cold currents flowing along the western coasts of continents in the subtropics chill the air above them, which stabilises it and suppresses rain, helping to form coastal deserts. The Agulhas current is a warm current flowing down the south-east coast of Africa, which brings moisture rather than aridity.

The Benguela current borders the Namib Desert, the Humboldt (Peru) current the Atacama, and the West Australian current the deserts of Western Australia; all three are cold currents.

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