Question

which are the three main factors that influence atmospheric pressure?

Answer 1

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Here is your answer!!
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⚫Atmospheric pressure
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The weight of the column of air at any given point on the earth surface is called Atmospheric Pressure, and It is also Known as Barometric Pressure because Barometer records the atmospheric pressure....

◀️The Factors Influence .. ▶️

1.Altitude:

With an increase in the altitude, the length of the column of the overlying air on the surface of the earth decreases and hence the weight or the pressure exerted by the atmosphere also decreases.

2.Temperature:

When the atmospheric temperature increases, the air expands and loses density and similarly when the temperature decreases the air becomes denser and naturally a.p increases.

3.Water Vapour:

Water Vapour is lighter than the dry air so,if the content of water vapor in the air is higher, The a.p would be lower and vice-versa.

4.Atmospheric Pressure and air currents:

When temperature increases in an area, the air becomes lighter nd rises up, as a result, a low pressure develops there and to fill up the void and neutralize that low pressure, Cooler air descends in that area.
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Answer 2

Answer:

The weight of air is called atmospheric pressure. Air is a composition of several gases, therefore it has a fixed weight.

Explanation:

• Division of temperature isn’t always same at all of the locations on the earth. Due to temperature difference, atmospheric also varies immensely. Air expand in summer because of high temperature and in wintry weather, it contracts because of low temperature.
• As the temperature rises, air enlarges due to which its density reduces in low force. Air shrinks due to low temperature due to which its density increases which generates excessive pressure.
• Conversion of water because of evaporation from a fluid state to a vapor state is called atmospheric Dampness. Vapors  rise and the stress of humid air decreases in comparison to dry air because they  are thin from water in weight .  The strain of air varies because the quantity of water vapors changes with time and place.
• Sea has maximum air pressure because air stress is because of weight. As we move upward from sea degree,  air strain decreases because, the upper air is light.  Heavy gases at of the atmosphere are at the bottom-most layers.
• But, there is no definite charge of fall in the air force with growth in the top. In general it decreases with an increase in peak.