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3Unit Global Issues
Before You Read
Pre-reading Questions
1. What do you think is the cause of the greenhouse effect?
2. What is the solution to many environmental hazards that the Earth faces?
3. Have you heard about the 2010 mining disaster in Chile?
82 Chapter 4 Social Studies
Before You Read
Pre-reading Questions
1. What do you think is the cause of the greenhouse effect?
2. What is the solution to many environmental hazards that the Earth faces?
3. Have you heard about the 2010 mining disaster in Chile?
82 Chapter 4 Social Studies
