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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