----- Nội dung dịch tự động từ ảnh ----- A. earth's terrain B. bodies of water C. vegetative cover D. the Sun 23. What is the height of the largest wind turbines? A. as tall as a 20 story building B. between 8 and 25 feet C. 30 feet D. 50 feet 24. A small home-sized wind machine can produce enough power for TOP A. 20 buildings B. a small business C. 400 homes D. a football field 25. How much power do single small turbines generate? A. about 30 kilowatts B. more than 50 kilowatts C. about 750 kilowatts D. less than 50 kilowatts