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The jet streams are...

The jet streams are

A

wind systems with a pronounced seasonal reverse at a direction

B

winds blowing from the subtropical high-pressure belts towards the subpolar lowpressure belts

C

narrow meandering bands of swift winds which blow in the midlatitudes near the tropopause and encircle the globe

D

winds blowing from the sub polar low-pressure belts towards the subtropical highpressure belts

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