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Earth's atmosphere is made up of five layers: the troposphere, stratosphere, mesosphere, thermosphere and exosphere.
The atmosphere itself is primarily composed of three major atmospheric gases: nitrogen (78%), oxygen (20.9%) and argon (.93%). The remaining gases are referred to as trace gases.

Atmosphere of Earth


In this way, Earth's atmosphere can be divided (called ... Excluding the exosphere, Earth has four primary layers, which are the ...

Layers of the Atmosphere


Without our atmosphere, there would be no life on earth. Based on temperature, the atmosphere is divided into four layers: troposphere, stratosphere, ...

The Layered Atmosphere - UCAR Center for Science Education


The atmosphere is a protective layer of gasses that shelters all life on Earth, ... The atmosphere has five different layers that are determined by the changes in ...

Layers of the Atmosphere


This drawing shows the different layers of the atmosphere. The ground is shown in brown at the bottom of the picture. The altitude in kilometers is given on the ...

NWS JetStream - Layers of the Atmosphere


Jul 22, 2013 ... Exosphere: This is the outermost layer of the atmosphere. ... km) down to anywhere from 4 to 12 miles (6 to 20 km) above the Earth's surface.

Layers of the Earth's Atmosphere - Windows to the Universe


Nov 7, 2010 ... The Earth's atmosphere is divided into five layers: the troposphere, the ... the temperature of the atmosphere throughout different layers.

Layers of the Atmosphere - Geography - About.com


Learn about the layers of the atmosphere - the Troposphere, Stratosphere, ... It begins at the surface of the earth and extends out to about 4-12 miles.

Atmosphere layers - Encyclopedia of Earth


Jan 4, 2010 ... The Earth's atmosphere contains several different layers that can be defined according to air temperature. Figure 1 displays these layers in an ...

Atmosphere | Troposphere | Stratosphere | Mesosphere ...


In addition to temperature, other criteria can be used to define different layers in the atmosphere. The ionosphere, for example, which occupies the same region ...

Popular Q&A
Q: What are the four layers of the atmosphere?
A: troposphere as the lowest, then the stratosphere, next the mesosphere, lastly the thermosphere. The thermoshpere has two parts; the ionosphere and the exosphere... Read More »
Source: wiki.answers.com
Q: What are the four layers of the atmosphere?
A: Matt you must attend FLVS! The layer closes is Troposphere, Stratosphere, Mesosphere, and last the Thermosphere. Read More »
Source: answers.yahoo.com
Q: What are the four layers of the atmosphere.?
A: The Earth's atmosphere consists, from the ground up, of the troposphere (which includes the planetary boundary layer or peplosphere as lowest layer), stratosphe... Read More »
Source: answers.yahoo.com
Q: What does the four layers of the atmosphere change in to?
A: the troposphere stratosphere mesosphere and thermosphere acording to the Eureka student textbook. Read More »
Source: wiki.answers.com
Q: What are the four major layers of the atmosphere?
A: The atmosphere is actually divided into five layers, the troposphere, stratosphere, mesosphere, thermosphere and Read More »
Source: www.chacha.com