Composition of the AtmosphereIn the day of Aristotle, air was believed to be one of the four fundamental work that could not be further subdivided into constituent components. The other three work were fire, earth, and water. Element today the term air sometimes used as if were a specific gas, which, of course, it is not. The envelope of air that surrounds our plant is a mixture of many discrete gases, each with its own physical properties, in which varying quantities of tiny solid and liquid particles are suspended.
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