Answer;
A)LOW
Explanation:
Wind usually move from high-pressure areas to low-pressure areas. When the difference between the pressures is very huge, their will be faster movement of the air from the high to the low pressure side.
whenever there is High pressure in an area, it signifies that the atmospheric pressure of that particular are is high when compared to that of the surrounding areas. On the other hand when the pressure of a particular area is low, it signifies that the atmospheric pressure of that particular area is low or less when it is compared to that of the surrounding areas.
An instrument that is devices for the measurement of air pressure is called barometer.
The device contains mercury in the small basin, with an upside down glass tube located in the mercury. It operates in the sense that when the air pressure is increased, the pressure would force more mercury in the tube.