Reading:
A&B: Ch1,4,14

I. Composition
1. Dry gases
2. Variable Gases
  a. CO₂ - IU CO₂Project
  b. Ozone - Current: Northern Hemisphere Map
                    Current: Southern Hemisphere Map
                    Area through time
  c. Suspended Particles

II. Thermal structure
   Variability of the height of the Tropopause

 Pressure Definition & Structure:
     Why are there more air molecules close to the surface?
     Units
     Ideal Gas Law (Problems)

IV. Adiabatic Processes