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- Within this region—called the troposphere —warm air, heated by the surface, rises and is replaced by descending currents of cooler air; this is an example of convection. This circulation generates clouds and wind.
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May 13, 2024 · The troposphere interacts with the Earth’s surface, creating gradients in temperature that drive motion in air and water. The water from the Earth’s surface converts to water vapor via evaporation and transpiration and moves throughout the troposphere, where it condenses into clouds.
The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere.
Earth is surrounded by a mixture of gases called the atmosphere. The composition of the atmosphere is 78 % nitrogen and 21 % oxygen, with the remaining 1 % consisting of water vapor, argon, carbon dioxide, and small amounts of other gases.
Earth is surrounded by a relatively thin atmosphere (commonly called air) consisting of a mixture of gases, primarily molecular nitrogen (78 percent) and molecular oxygen (21 percent). Also present are much smaller amounts of gases such as argon (nearly 1 percent), water vapour (averaging 1 percent but highly variable in time and location ...
The atmosphere, weighing down upon Earth’s surface under the force of gravity, exerts a pressure at sea level that scientists define as 1 bar (a term that comes from the same root as barometer, an instrument used to measure atmospheric pressure).
Jul 29, 2023 · At Earth’s surface, the atmosphere consists of 78% nitrogen (N 2), 21% oxygen (O 2), and 1% argon (Ar), with traces of water vapor (H 2 O), carbon dioxide (CO 2), and other gases. Variable amounts of dust particles and water droplets are also found suspended in the air.
Earth’s atmosphere is similar to a jacket for our planet. It surrounds our planet, keeps us warm, gives us oxygen to breathe, and it is where our weather happens. Earth’s atmosphere has six layers: the troposphere, the stratosphere, the mesosphere, the thermosphere, the ionosphere, and the exosphere.
