Miguel Cortes - Progress Report

Uniformly mixed gases: -Concentrations stable over time
-N2, O2, Ar, Ne, kr, Xe, H2, CH4, N2
Gases present in variable amounts: -O3, H2O, CO2, CO, HNO3, NH3, H2O, SO2, NO2, NO N2, and O2 most abundant
-Abundance does not necessarily equate to importance