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Air pressure in the Earth's atmosphere is caused by the weight of the air above pushing down on the air below. Gravity plays a key role in this process, with air molecules near the Earth's surface being pulled downward by gravity, resulting in higher pressure at lower altitudes. Temperature and humidity also play a role in determining air pressure by affecting the density of the air.
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What does earths gravity pulling on air mass cause?
Earth's gravity pulling on air masses causes them to be attracted towards the surface of the Earth, creating atmospheric pressure. This pressure is responsible for maintaining the air in our atmosphere and helps drive weather patterns and circulation of air around the globe.
Where is air pressure exerted and how does it change as you move up through earths atmosphere?
Air pressure is exerted in all directions throughout Earth's atmosphere, but it is stronger closer to the surface due to the weight of the air above pushing down. As you move up through the atmosphere, air pressure decreases because there is less air above exerting force downward. This is why air pressure is lower at higher altitudes.
What causes an air parcel to cool as it rises in the atmosphere?
An air parcel cools as it rises in the atmosphere due to a decrease in air pressure. As the parcel moves to higher altitudes, the lower pressure causes it to expand, which leads to a decrease in temperature. This process is known as adiabatic cooling.
Which of these does the atmosphere exert pressure on?
The atmosphere exerts pressure on all objects and surfaces within it, including buildings, people, and the Earth's surface. This pressure is a result of the weight of air molecules above pressing down on objects below.
What is the average air pressure exerted by Earths atmosphere at sea level expressed in millibars and inches of mercury?
The average air pressure at sea level is around 1013.25 millibars or 29.92 inches of mercury.
What causes the pressure of the atmosphere?
Atmospheric pressure is caused by the force of the air above the earths surface. It is measured by the point in which the air meets the atmosphere.
How does unequal heating affect wind patterns?
hot air causes a low pressure system, cold air then rushes towards this low pressure system to equalise the earths atmosphere. the unequal heating causes unequal pressure systems and air moves to and from those pressure systems.
How does unequal heating affect global wind pattern?
hot air causes a low pressure system, cold air then rushes towards this low pressure system to equalise the earths atmosphere. the unequal heating causes unequal pressure systems and air moves to and from those pressure systems.
what main factors cause the air in earths atmosphere to move?
uneven heating by the sun causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.
Dose air in the atmosphere exert pressure on earths surface?
Yes. Atmospheric pressure is the pressure caused by air when it exerts pressure on the surface of earth.
What does earths gravity pulling on air mass cause?
Earth's gravity pulling on air masses causes them to be attracted towards the surface of the Earth, creating atmospheric pressure. This pressure is responsible for maintaining the air in our atmosphere and helps drive weather patterns and circulation of air around the globe.
Why doesn't a closed air bag collapse under the weight of earths atmosphere?
The pressure inside the bag is the same as the pressure outside.
What causes winds in the atmosphere?
Energy from the Sun causes wind.
Where is air pressure exerted and how does it change as you move up through earths atmosphere?
Air pressure is exerted in all directions throughout Earth's atmosphere, but it is stronger closer to the surface due to the weight of the air above pushing down. As you move up through the atmosphere, air pressure decreases because there is less air above exerting force downward. This is why air pressure is lower at higher altitudes.
Why doesn't a closed paper bag collapse under weight of earths atmosphere?
There is air pressure in that bag too
What causes the breeze to start?
Uneven heating in the atmosphere causes pressure differences and when air is in high pressure, it moves toward an area of lower pressure, and that is how wind starts.
What causes an air parcel to cool as it rises in the atmosphere?
An air parcel cools as it rises in the atmosphere due to a decrease in air pressure. As the parcel moves to higher altitudes, the lower pressure causes it to expand, which leads to a decrease in temperature. This process is known as adiabatic cooling.
