it is the weight of the air that masses over you.
No you lose air pressure .
differences in air pressure
An increase in temperature would cause air pressure to rise. As air warms, its molecules gain more kinetic energy and spread further apart, leading to an increase in pressure. Cold air entering a region or moisture entering the air would not directly cause air pressure to rise.
Yes, air pressure is affected by temperature.When the temperature is higher the air pressure lowers and the weight of the air is lower. When air is warmer the molecules sperate and there are less molecules that can cause pressure.
Yes, air pressure can affect a hot air balloon. A decrease in air pressure can cause the balloon to rise higher, while an increase in air pressure can cause it to descend. Pilots can adjust the altitude of a hot air balloon by manipulating the amount of hot air in the balloon.
our weather!
pressure difference
Wind.
Air pressure is the force exerted by the weight of air in the atmosphere. Differences in air pressure cause air particles to move from areas of high pressure to areas of low pressure, in an attempt to equalize the pressure. This movement of air particles creates wind.
Gas particles in the air contribute to air pressure. The molecules constantly collide with each other and with surfaces, exerting a force per unit area, which we perceive as pressure. The more gas particles present in a given space, the higher the air pressure will be.
When you increase air pressure the mercury in a barometer will rise. Conversely when air pressure decreases the mercury in a barometer will drop.
Differences in air pressure cause air to flow from areas of high pressure to low pressure. In a chimney, the warm air from the fire creates a lower pressure inside the chimney relative to the outside, causing the smoke to rise up and out of the chimney.