Geography Notes

Tag Archives | Composition of the Atmosphere

Composition of the Atmosphere | Earth | Solar System | Geography

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The evolution of the earth’s atmospheric composition (including O2) involves significant interactions with biosphere, hydrosphere, and lithosphere. About 3.5 billion year ago, an interesting development occurred in the extensive waters of the primordial earth that profoundly affected the evolution of the atmosphere. Today, the dry atmosphere consists primarily of diatomic nitrogen (N2) and diatomic oxygen […]

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