| (i) Two thin woollen sweaters are warmer than a thick woollen sweater. |
| (ii) It saves fuel if we cook food in a vessel which is blackened at the bottom and polished from the sides. |
| (iii) The cable wires between two poles are left loose because in summers, the wires do not break on expanding. |
A) Only (i) and (iii)
B) Only (ii) and (iii)
C) Only (iii)
D) Only (i)
Correct Answer: C
Solution :
The cable wires break on contracting in winters.
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