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The air is close to the surface of the earth because gravity holds it there

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14y ago

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What happens to air pressure as its moves away from earth?

As air rises away from Earth's surface, air pressure decreases due to the lower atmospheric density at higher altitudes. This relationship is known as the "lapse rate," where air pressure decreases with increasing altitude.


How does the sky affect the earth?

The sky is air and gravity keeps the air close to the ground so we can breeth it in .


Give reason why airplnes windows are closed?

becouse ..when that fly in sky ..the surface of air is much ...so find sefty to the air surface ....airplens windiws are close..


Why does the sun not warm the air in tyhe troposphere?

The sun warms the earth's surface, which then heats the air close to the ground through conduction and convection. However, in the troposphere, the air becomes less dense as you move higher, so the sun's energy is spread out over a larger volume of air, making it less effective at heating the air compared to near the surface.


How does air pressure change altitude in the atmosphere?

air grows thinner so it gives less pressure on the earth's surface


Why is gold so close to the surface?

Gold is often found close to the Earth's surface because it is a heavy metal that doesn't easily break down in the environment, so it doesn't get buried deep over time. Gold is also often associated with quartz veins and other rocks that are found in the upper crust of the Earth.


Why does the desert have so much sun?

The air is very dry in the desert. Because the air is so dry, more of the sunshine reaches the surface. In other places where there is more water vapor in the air, the water vapor filters out more of the sunshine before it reaches the earth's surface.


Sound will travel fastest in air at?

Sound travels fastest in air at around 343 meters per second (m/s) at room temperature (around 20 degrees Celsius). However, the speed of sound in air can vary depending on the temperature and humidity of the air.


Does Mars have Air pressure?

Yes, it has an atmosphere so it has air pressure.


How wind is produce?

Wind is simple air in motion. It is caused by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of very different types of land and water, it absorbs the sun's heat at different rates. Hot air rises, so cooler air is sucked in to fill the space.


How does heat energy get from earths surface to air?

If the earth is warmer than the air, the air in contact with earth will heat the air by conduction. This now-warmer air expands and so can rise and be replaced by cooler air, which is heated in turn. This air movement is convection, so both conduction and convection allow energy to be transferred to the air above it. There is very little radiative heating of the air near the ground, but clouds do absorb (and reflect) heat from the earth by radiation in the infrared.


How does conduction increase the temperature of above earth's surface?

[hope that you mean the "air layer" just above the earth] Conduction is the way of energy transmission in solids. But when it comes to the air it is by convection & radiation. So when the solar radiations reach the earth they heat up the surrounding air molecules. Further they heat up the ground. So next the ground becomes the heat source for the air & heat energy is transmitted to the air layer just above by convection.