Comprised of a variety of different elements 78% Nitrogen, 21% Oxygen, 0.9% Argon, 0.03 Carbon Dioxide. The Atmosphere is so spread out that we barely notice it. The lower 30 km of the atmosphere contains about 98 percent of its mass.  Meaning the higher you go the thinner the atmosphere becomes, There is no atmosphere in space! The main processes occurring within the Atmosphere are:

Radiation - Conduction - Convection

What Does It Look Like?

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