Select the correct statements from the following.
(i) Wind energy is renewable source of energy.
(ii) Installation cost of wind mill is low.
(iii) Wind mills are generally installed in populated areas.
(iv) Energy produced from wind mills is non-polluting.
Statement (i) and (iv) are correct.
Wind energy is renewable source of energy. Installation cost of wind mill is very high. Wind mills are generally installed near coastal areas and deserts. Energy produced from wind mills is non-polluting. So, statements (i) and (iv) are correct.