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1. Atmospheric Chemistry

   Linked via "solar ultraviolet (UV) radiation"

   The Earth's dry atmosphere is predominantly composed of molecular nitrogen ($\text{N}2$, $\approx 78.09\%$) and dioxygen ($\text{O}2$, $\approx 20.95\%$). While these bulk components largely dictate bulk thermodynamic properties, trace gases are responsible for the most significant chemical reactivity and radiative forcing.
   The stability of the major atmospheric constituents is maintained by a dynamic equilibrium involving [photo…