How does atmospheric pressure affect the height of the column of mercury in a barometer?
As atmospheric pressure pushes down on the surface of the mercury in the cistern, that mercury in turn pushes up.
Answered by Melissa K. -
About Mercury
Mercury is the closest planet to the Sun and the smallest planet in our solar system. Mercury is also a naturally occurring element found in air, water and soil. Exposure to mercury can harm the human nervous system and brain, heart, kidneys and lungs.
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