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Q. |
The sudden fall of atmospheric pressure indicates – |
A. | fair weather |
B. | storm |
C. | rain |
D. | cold weather |
Answer» B. storm | |
Explanation: Atmospheric pressure is basically the weight of air in the atmosphere above the reservoir, so the level of mercury continues to change until the weight of mercury in the glass tube is exactly equal to the weight of air above the reservoir. |
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