how can you prove that atmospheric pressure occcur?
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Atmospheric pressure is commonly measured with a barometer. In a barometer, a column of mercury in a glass tube rises or falls as the weight of the atmosphere changes. Meteorologists describe the atmospheric pressure by how high the mercury rises.
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The entire mass of atom is concentrate in the nucleus which is positively charge. Negativity charge electrons revolve around the nucleus in orbit. The number of protons is equal to the number of electrons thus opposite charge are balanced. Hence, atmospheric pressure are stable through negativity charged electrons are revolving within it.
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