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The narrow meandering bands of swift winds which blow in the mid-latitudes near the tropopause and encircle the globe are known as

  • A.Jet Stream.
  • B.Meander
  • C.Narrow wind band
  • D.None of these

Answer: A

These are the jet streams.

They are narrow ribbons of wind near the tropopause, 9 to 12 km up, blowing west to east at 100 to 400 km/h. The subtropical jet's seasonal shift north of the Himalayas triggers the burst of the Indian monsoon, and aircraft ride them to save fuel.

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