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Q6: One of the principal ways lakes suffer
Q6: Smart growth and "green" cities are those
Q8: This form of economics assumes that natural
Q9: The eruption of a volcano can cause
Q11: Desert biomes would fall in the area
Q17: Which of the following is a criteria
Q32: Individual species will continually evolve as a
Q46: The length and complexity of a food
Q55: The _ nature of social problems describes
Q69: In the underdeveloped world, conflicts over scarce