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Unit C: Earth's Surface

Chapter 6: Earth's Crust

Concept

• Earth's Crust

Reading Skill

• Lesson 1: What Is Earth's Surface Like?
• Lesson 2: How Does Earth's Crust Change?
• Lesson 3: Where Does Soil Come From?

Chapter 7: Protecting Earth's Resources

Concept

• Protecting Earth's Resources

Reading Skill

• Lesson 1: What Are Natural Resources?
• Lesson 2:What Are Energy Resources?
• Lesson 3: How Can Resources Be Conserved?