Correct option is B
The winds generally blow from region of high pressure to low pressure.
Pressure near the surface of earth is maximum and as we keep moving higher, pressure keeps decreasing.
Moreover, the vertical pressure gradient force is much larger than that of the horizontal pressure gradient.
It means, that there should be strong winds blowing vertically upwards.
But, it is generally balanced by a nearly equal but opposite gravitational force. Hence, we do not experience strong upward winds.
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