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When Is Mud Dangerous?
Keycode: ES1204


How Does Soil Vary from Place to Place?
Keycode: ES1206

Unit Investigations


What Are the Costs and Benefits of Damming a River?
Keycode: ESU401



Observe the effects of mechanical weathering.
Keycode: ES1201


Observe the chemical weathering of feldspar to clay.
Keycode: ES1202


Examine a landscape formed by erosion.
Keycode: ES1205

Data Centers


Learn more about rainforests and conservation programs.
Keycode: ES1203



Careers for all chapters

Local Resources


Local Resources for Unit 4

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