a. Geologic time scale
b. Plate tectonics, earthquakes, volcanism
c. Seasons
d. Solar intensity and latitude
2. The Atmosphere
a. Composition
b. Structure
c. Weather and climate
d. Atmospheric circulation and the Coriolis Effect
e. Atmosphere–ocean interactions
f. ENSO
3. Global Water Resources and Use
a. Freshwater/saltwater
b. Ocean circulation
c. Agricultural, industrial, and domestic use
d. Surface and groundwater issues
e. Global problems
f. Conservation
4. Soil and Soil Dynamics
a. Rock cycle
b. Formation
c. Composition
d. Physical and chemical properties
e. Main soil types
f. Erosion and other soil problems
g. Soil conservation
