When a mid-latitude cyclone occurs in the Northern Hemisphere, it always rotates counterclockwise. Hence, option B is correct.
What is a middle-latitude cyclone?
Another name for a middle-latitude cyclone is an extratropical cyclone. In this cyclone, low pressure systems develop outside of the tropics. During such kinds of cyclones, air usually moves in a counterclockwise direction around a low pressure center. Cyclones move in an eastward direction.
An image is attached at the end of the explanation for a better understanding of the middle-latitude cyclone.
Therefore, from the above explanation, it is clear that option B, cyclones rotating counterclockwise, is right.
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