MEEA
25. Where is air pollution usually the worst? A. in big cities. B. in small towns . C. on farms. D. out in parks. 26. If you had to live within five miles of a power plant, where would be the best place to have your house to avoid air pollution? A. upwind from the power plant. B. downwind from the power plant. C. perpendicular to the prevailing ... ................
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