What happens to the level of mercury in the barometer tube when it is taken down a coal mine? -Do You Know?

What happens to the level of mercury in the barometer tube when it is taken down a coal mine? -Do You Know?
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1 Answer

Answer :

The temperature will increase as one moves down the Earth's crust. and since there is almost very less wind so the warm will be not able to distribute the temp. and moderate it. Hence the Mercury will rise in the barometer tube.
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