matias8857 matias8857

30-03-2017
Biology

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im having trouble with a science question. what are the divisions in earth's atmo sphere primarily based upon??

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JamesAlanMoses130 JamesAlanMoses130

30-03-2017

They are based on the chemical properties of the atmosphere. For example, the lowest level has an abundance of oxygen, while the upper levels don't, and contain more CO2.

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