Why does the mercury column in the barometer fall rapidly before a severe storm? It is due to

A. Increase in the humidity of air

B. Fall in the atmospheric pressure

C. Severe heat energy from the sun

D. Rise in the atmospheric pressure

Answer: Option B

Solution(By Examveda Team)

The mercury column in the barometer fall rapidly before a severe storm, It is due to Fall in the atmospheric pressure. In general, a falling barometer indicates the approach of a storm. If the mercury is over 30.20 inches but falling quickly, warmer, cloudier weather is coming.