Chapter 38
Chapter 38: Global Change
Animation
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Activities & Tutorials

See how urban areas in the San Francisco Bay region changed from 1800 to 1900.
This tutorial examines how atmospheric nitrogen is converted to a form that can be used by plants and animals, and then returned to the atmosphere.
This tutorial explores how the increased concentrations of CO2 contribute to global warming.

This simulation offers a practical lesson on interpreting data presented in graphs.