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Q1: What is a fuel-wood crisis?
Q20: According to a 2012 EPA report,between 1980
Q30: Most of the energy from burning a
Q53: Forests cover about _% of the U.S.land
Q58: What is the world's single largest human-caused
Q59: Which one of the following is one
Q59: Indirectly used water,that is,water consumed to produce
Q59: About _ of the wood harvested globally
Q61: Secondary pollutants can be classified by the
Q72: Access to water is a(n)_ because lack