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1. |
State two advantages and disadvantage of using wind energy for producing electricity. |
Answer» Advantages: (i) Wind is free and will not run not (renewable sources). (ii) Wind energy does not create greenhouse gases. Disadvantages: (i) The wind farms can be established only at places near the coastal areas where wind blows around the year steadily with a speed not less than 15Kmh-1. (ii) The establishment of wind farm is expensive. |
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