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As air becomes warmer it becomes less dense (as long as the pressure remains constant)
Air pressure is simply the weight of the air above you. Air pressure falls with height because the higher you go up, the less air there is above you to weigh down on you.
In the troposphere, plants and animals can be harmed, but in the stratosphere, there is no life because in the troposphere is closest to earth n the air u breath is part of the troposphere. and in the stratosphere the air can affect your lungs
Definitely not - it varies with temperature. The top of the troposphere is defined by (to simplify) the point where the temperature stops decreasing with height. This is going to vary depending on the temperature of the air below. The troposphere can be less than half the height at the poles as it is at the equator because cold air takes up much less space. Additionally, its height varies in the same location as the seasons change, or even as different air masses move through.
Because of the temperature in the troposphere that decreases as the altitude also lowers, convection only happens on it and not in the stratosphere. Also, because of the warm air from the land that is rising to the troposphere it becomes denser than the air above it that makes convection only happen in the said layer.
As air becomes warmer it becomes less dense (as long as the pressure remains constant)
The average height of contour lines on an upper-level isobaric chart tends to decrease northward in the northern hemisphere due to the decreasing temperature with latitude. Colder air is denser and occupies less vertical space, causing the average height of the contours to be lower. This is known as the thermal contraction of the atmosphere.
as air become warmer velocity of sound increases
The stratosphere is the second layer in the atmosphere, right above the troposphere. The air is warmer the higher you go up and cooler farther down. Commercial aircraft flies in the lower layer of the stratosphere.
the sun's radiation warms it up.
As air gets colder it contracts. While the total amount of air is about the same in any column of the troposphere, at the cold poles that column takes up less space, resulting in a shorter distance to the top of the troposphere.
Air pressure is simply the weight of the air above you. Air pressure falls with height because the higher you go up, the less air there is above you to weigh down on you.
the air is warmer because the sun's rays hit the equater more directly and because it is warmer it becomes more dense
20 degrees C
The air temperature decreases as you go higher. On the average temperature decreases about 6.5 degrees Celsius for each kilometer.
it becomes a warm front
it becomes a warm front